This document provides a high-level view of the changes to the Asciidoctor PDF by release. For a detailed view of what has changed, refer to the commit history on GitHub.

Unreleased

Enhancements

• bring appearance of footnotes and footnote labels in line with common style guidelines (include brackets around footnote label in link; use bold footnote number with trailing period as footnote list marker) (#2311)

• allow font settings to be specified per side of a running content periphery (#2316)

• don’t split code block that has less than breakable minimum lines (#2304)

• allow theme to set minimum height of orphans for code blocks (#2304)

• introduce scale theme key for admonition icon to scale down icon without affecting layout (#2318)

• introduce width theme key for admonition icon to control width of image-based icon (#2318)

• share image info cache between primary and scratch documents to avoid decoding same image more than once

• rename kbd-separator theme key to kbd-separator-content to make its consistent with other content keys; remap old key and warn

• preserve em and rem units on numerator in calc operation in theme (#2314)

• allow optimizer to be specified using :pdf_optimizer API option (#1785)

• allow custom optimizer to be registered by extending Asciidoctor::PDF::Optimizer::Base and calling register_for method (#2330)

• allow custom optimizer to be selected using pdf-optimizer attribute (#2330)

• sort using collation (asciibetical sorting) if ffi-icu gem is available on load path (#928)

• restrict categories to ASCII letters (using transliteration) if ffi-icu gem is available on load path (#928)

• upgrade to prawn-icon 3.1.x to add support for the Material Design Icons (mdi) as an available font-based icon set (PR #2334)

• honor GS_OPTIONS environment variable for supplying additional parameters to command called by RGhost optimizer (#2337)

• add support for passing a color mode to the default optimizer (#2347)

• support horizontal alignment on AsciiDoc table cell that only contains paragraphs (#2358)

• allow revision content to be customized by theme (#2362)

• add symbols for shift, command, option, and return keys to the fallback font

• add support for nowrap and nobreak roles on formatted text

• do not insert break opportunities into bare URL with nobreak role

Improvements

• process pre-wrap role in text formatter

• drop support for the unmaintained payment font (pf) for use in font-based icons

• refactor formatted text transform to simplify how inner space is collapsed; verify only inner hard breaks are preserved

Bug Fixes

• show dot leaders in TOC entry if toclevels is increased for a given section (#2441)

• correctly map all icons from FontAwesome 4 (#2373)

• resolve remote image in document title or section title with autogenerated ID

• keep caret between items in menu macro with previous item if items wrap

• don’t include children of section with empty title in TOC

• don’t include children of section with empty title in outline

• only load Treetop runtime so it does not overload require method

• fix collation order of index terms that differ only in case

• don’t crash if page background image value is empty (interpret as "none")

• prevent special character substitution from interfering with callouts in plain verbatim block (#2390)

• remove deprecated, undocumented svg-font-family theme key (the correct key is svg-fallback-font-family)

• decouple tests from path of PWD (#2444)

2.3.9 (2023-06-28) - @mojavelinux

Bug Fixes

• correctly align block image in raster format in column when align is right or center and page columns are enabled (#2433)

• honor table caption end placement (table-caption-end theme key) when unbreakable (or breakable) option is set on table (#2434)

Details

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2.3.8 (2023-06-25) - @mojavelinux

Improvements

• do not attempt to fit inline image in normal table cell to computed height of cell (#2428)

• support fit=none attribute on inline image to prevent image from being scaled down to fit available height (#2428)

Bug Fixes

• remove null character enclosed in XML tag when sanitizing text; fixes invisible text in outline when heading contains index term (#2430)

• alias File.exists? to File.exist? when loading RGhost optimizer to patch incompatibility when using Ruby 3.2

Build / Infrastructure

• bump upper Ruby version from 3.1 to 3.2 in CI workflow

2.3.7 (2023-04-16) - @mojavelinux

Bug Fixes

• don’t crash if source block with custom subs is empty and source highlighter is enabled

• add workaround for JRuby on Windows when value of imagesdir attribute is absolute and contains non-ASCII characters

Details

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2.3.6 (2023-04-09) - @mojavelinux

Bug Fixes

• rework File.absolute_path? patch so it returns correct response when running on JRuby

Details

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2.3.5 (2023-03-31) - @mojavelinux

Enhancements

• add callout-list-marker-font-color theme key to control color of conum marker in callout list (#2402)

Bug Fixes

• catalog all footnotes found inside AsciiDoc table cells and render them in the footnotes list (#2410)

• do not drop section that follows empty index (#2368)

• restore bottom margin on table with breakable or unbreakable option (#2379)

• honor theme settings for caption on table with breakable or unbreakable option (#2379)

• use first recto page after toc when media is prepress and page numbering or running content start-at value is after-toc (#2398)

Details

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2.3.4 (2022-10-29) - @mojavelinux

Bug Fixes

• resolve attribute references in target of image in running content (#2361)

• replace use of AbstractNode#role= method to ensure compatiblity with minimum supported version of Asciidoctor (Asciidoctor 2.0.10) (#2363)

Details

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2.3.3 (2022-10-21) - @mojavelinux

Bug Fixes

• fix crash if last fragment in TOC entry is not rendered (#2354)

• pass -dNEWPDF=false to Ghostscript when optimizing PDF so it does not break internal links (#2355)

Details

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2.3.2 (2022-09-17) - @mojavelinux

Improvements

• provide fallback value for base-font-size theme key before processing keys (#2342)

Details

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2.3.1 (2022-09-17) - @mojavelinux

Improvements

• provide a fallback value for base-font-size when loading theme (#2343)

Bug Fixes

• fix crash when smallcaps text transform is applied to a phrase (#2339)

• don’t add chapter signifier if chapter-signifier is unset (#2328)

• don’t add part signifier if part-signifier is unset (#2328)

• don’t include bottom margin when computing heading height if heading-min-height-after theme key is empty (#2326)

• draw border on heading (section title or discrete heading) if it is advanced to next page (#2322)

• arrange heading even if section is empty

• ensure heading-min-height-after theme key is ignored if section is empty or discrete heading is last child

• don’t force justify first line of abstract if it ends with a hard break

Details

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2.3.0 (2022-08-16) - @mojavelinux

Enhancements

• place footnotes directly below last block of content if footnotes-margin-top theme key is 0 (#2291)

• allow page / column break to be forced using always option (e.g., [%always]) (#2300)

• insert column break instead of page break in multi-column layout if column role is specified on page break macro (#2293)

• use relative font size for big and small roles (#2307)

• use default-for-print theme by default if media is print or prepress (#2306)

• support text alignment roles on all styled paragraphs

• support text alignment roles on verse block

Bug Fixes

• only indent text that starts at left margin (i.e., when text align is left or justify) (#2298)

• apply text transform and formatting when checking height of heading for orphan prevention

• apply text transform and formatting when computing height of background for caption

• honor theme settings (prose-margin-inner and prose-text-indent-inner) for inner paragraphs in abstract

• prevent footnote label from being split across lines (#2297)

• keep footnote label with preceding text if adjacent (#2297)

• strip formatting added to source block by custom subs when syntax highlighter is enabled (#2086)

Compliance

• remove support for deprecated spread role on table

Details

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2.2.0 (2022-07-22) - @mojavelinux

Enhancements

• allow page background image to be specified per layout using {page-layout} attribute reference in path (#1739)

• allow page margin for rotated page to be configured independently using page-margin-rotated theme key or pdf-page-margin-rotated document attribute (#1719)

• allow orphan detection to be enabled for all section titles and discrete headings by setting heading-min-height-after to auto in theme (#2268)

• set docimagesdir attribute when attribute substitutions are applied to value from theme (#2278)

• start page numbering and running content on empty verso page before first chapter of prepress book if start-at value is 0 (#2252)

• don’t force page break after TOC with automatic placement in article if title-page attribute is set and value of toc-break-after theme key is auto (#1768)

• add --theme option to CLI as shorthand for -a pdf-theme (#2250)

• add --sourcemap option to CLI to enable :sourcemap option on processor (#2265)

• broaden support for relative font sizes in theme to more than just inline elements; document support for relative font sizes

• allow theme to control font properties of marker for ordered list using olist-marker category (#2279)

• allow theme to control font style of marker (per marker or all markers) for unordered list

Improvements

• add internal Document#attr_unspecified? method to simplify check for an attribute which has not been set or unset

Bug Fixes

• always set imagesdir attribute to value of themesdir when resolving images from theme

• allow top keys in title-page theme category to accept a fixed value (e.g., 1in) (#2269)

• prevent orphan detection for heading (section title or discrete heading) from modifying document state (#2288)

Compliance

• configure table borders in way that is compatible with prawn-table > 0.2.2

• don’t coerce font size < 1 to relative font size; relative font size should be specified in units

Details

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2.1.6 (2022-07-19) - @mojavelinux

Bug Fixes

• resolve font size for monospaced cell when font size value on codespan key in theme is relative (#2281)

2.1.5 (2022-07-10) - @mojavelinux

Bug Fixes

• fix position of background color on caption with outside margin (#2271)

• don’t allow font scale to compound when entering nested table (#2276)

2.1.4 (2022-06-26) - @mojavelinux

Improvements

• include source location in warning message for truncated table cell if sourcemap is enabled (#2261)

Bug Fixes

• allow alt text for block image, video, and audio to wrap to next line on same page (#2258)

• apply text-tranform from custom role on phrase after attributes have been resolved (#2263)

• make URL check more strict so image target containing a colon is not mistaken as a URL

2.1.3 (2022-06-23) - @mojavelinux

Bug Fixes

• interpret start-at theme keys with value 1 correctly (as 1 instead of 2) (#2255)

• restore column layout after importing page(s) from PDF (#2253)

• fix crash when border color is transparent (thematic-break-border-color, admonition-column-rule, quote-border-color, verse-border-color)

• ensure page margin is restored after imported page

Details

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2.1.2 (2022-06-17) - @mojavelinux

Bug Fixes

• apply page layout from main document to new page in scratch document (#2248)

• use correct logic to insert page before TOC with automatic placement when doctype=book and media=prepress

• use get_entries_for_toc to determine if the TOC is non-empty rather than Document#sections?

Details

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2.1.1 (2022-06-15) - @mojavelinux

Improvements

• store zero-based column on Extent for extensions to use to position cursor at start of extent

Bug Fixes

• place block image in SVG format in correct column when align is left and page columns are enabled (#2241)

• accurately trap LoadError from CodeRay if source language is not recognized on code block

• only draw rounded rectangle around phrase if border-radius is > 0

• use base-border-color value if border width is set on role for inline phrase but not border color

Details

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2.1.0 (2022-06-11) - @mojavelinux

Enhancements

• arrange body of article or manpage doctype into multiple columns if page-columns key is set in theme (#327)

• allow column gap to be specified using page-column-gap key (#327)

• introduce convert_index_categories method to handle rendering of categories for index inside column box (#327)

• rename convert_index_list method to convert_index_term to make its purpose more clear (#327)

• add save_theme helper to work with a copy of the theme within a scope (#2196)

• add support for scale attribute or iw unit on pdfwidth attribute on image macros (#1933)

• add backlink from bibref on bibliography entry to first reference to that entry in the document (#1737)

• preserve text formatting on index term in index section (#897)

• don’t insert page break between part and first chapter if heading-part-break-after key in theme is avoid (#1795)

Details

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2.0.8 (2022-06-08) - @mojavelinux

Improvements

• encapsulate logic to adjust column box inside float and dry run

• automatically set height on column box if not specified; update value automatically when reflowing margins

Bug Fixes

• correctly compute value of to cursor on extent when column box starts below top of page (#2230)

• fix crash in ColumnBox#move_past_bottom when :reflow_margins option is not set

• fix x position of SVG when advanced to next column of column box

• at_page_top? should consider top of column box to be top of page

• prevent SVG image taller than column from being advanced to next column

• don’t push section that follows index section in article to new page if last page of index does not extend to bottom of page

Details

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2.0.7 (2022-06-03) - @mojavelinux

Improvements

• don’t recommend prawn-gmagick if PNG or JPG is corrupt or incomplete

• add helper method to determine when to recommend the prawn-gmagick gem

Bug Fixes

• fix crash when doctitle or section title with automatic ID contains inline image without explicit width (#2228)

• use prawn-gmagick, if available, to read raster image referenced by SVG (#2223)

• allow image path in SVG to refer to any location within Asciidoctor jail (no restriction if safe mode is unsafe) (#1941)

Details

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2.0.6 (2022-05-30) - @mojavelinux

Bug Fixes

• indent content of collapsible block and apply bottom margin to match style of HTML output (#2219)

• patch prawn-gmagick to reread bit depth of a PNG image if it extracts the wrong value (#2216)

• interpret width of SVG correctly when width is defined in file using px units (#2215)

• don’t crash if inline role defines border width but not border color

Details

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2.0.5 (2022-05-26) - @mojavelinux

Bug Fixes

• do not filter TOC entries without an ID when computing the TOC extent (#2210)

• fix width of multi-word phrase with background and border offset (#2059)

Details

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2.0.4 (2022-05-25) - @mojavelinux

Bug Fixes

• fix calculation of TOC extent when TOC entry has children but no ID (#2208)

Details

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2.0.3 (2022-05-25) - @mojavelinux

Improvements

• compute the optimize settings in init_pdf and store as Hash instead of after writing the PDF file

Bug Fixes

• adjust TrimBox to fit inside of BleedBox when using optimizer and compliance is PDF/X (#2203)

• set height of resized image to available height to avoid float precision error when scaling down image to fit page (#2205)

• prevent content on title page from overrunning the bounds of a single page and warn; restriction applies to ink_title_page

Details

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2.0.2 (2022-05-22) - @mojavelinux

Bug Fixes

• use specified column widths to avoid bugs in column width calculation when using colspans (#1368)

• advance table to next page if rowspan in first row does not fit in space remaining on current page (#403)

Details

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2.0.1 (2022-05-21) - @mojavelinux

Bug Fixes

• scale inline image to fit within available height of page, accounting for the top padding of the line height and the bottom gutter (#2193)

• short-circuit formatted text routine and log error if fragments in first line cannot fit on an empty page

• break and wrap long contiguous text in source block when linenums is enabled (#2198)

Details

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2.0.0 (2022-05-18) - @mojavelinux

Improvements

• use more stable approach to recreating current bounds in scratch document

• add foundation to support multi-column layout for the body of an article (using an extended converter only)

Details

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2.0.0.rc.1 (2022-05-17) - @mojavelinux

Enhancements

• allow theme to position caption for code and example blocks below block using caption-end key (#1730)

• allow hyphenation to be turned on and configured using the base-hyphens key in the theme (#2161)

• replace docdir attribute reference in value of pdf-themesdir and pdf-fontsdir attributes (if not already replaced) (#412)

• split out start_title_page method from ink_title_page to make customization of the title page simpler using an extended converter

• introduce start_toc_page method to handle positioning cursor at first page of TOC

Improvements

• reclassify and mark which methods in the converter are private

• organize methods in converter

• add DOM traversal methods to simplify the logic in the converter

• remove requirement to add dummy text to title page to preserve it

Bug Fixes

• apply top line height padding to first line of text when text runs to top of next page (#2173)

• don’t add entry to outline for notitle section if no content follows it

• don’t add entry to TOC for notitle section if no content follows it

• look for block align roles on image instead of text align roles (#2176)

• use correct left value when creating bounding box

• don’t apply border on block images to logo image on title page

Details

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2.0.0.beta.2 (2022-05-14) - @mojavelinux

Enhancements

• add support for float attribute on image; wrap ensuing paragraphs around image with float attribute (#353)

• add supports_float_wrapping? method for extended converter to override to enlist other blocks in float wrapping; add example to docs (#353)

• add image-float-gap key to theme to control space around image float (#353)

• add support for text-transform property on first line of abstract in theme (#2141)

• rename resolve_alignment_from_role to resolve_text_align_from_role to reflect proper terminology and purpose; alias old method name

• add support for orphan avoidance to discrete headings to match behavior of section titles (using call to arrange_heading) (#2151)

• rename arrange_section to arrange_heading to reflect proper terminology and purpose

• add index-column-gap key to theme to control size of gap between columns

• coerce image-caption-max-width to fit-content if float attribute is set on block image (#2150)

• add support for text box with fixed height via :height option to typeset_text helper

• configure typeset_text and ink_prose to return remaining fragments when :height option is specified

• add support for :indent_paragraphs option to formatted text box (#353)

• if float attribute is set on block image, set max width on caption to fit-content if max width not already set to a fit-content value

• add built-in default-sans theme

Improvements

• rename theme suffix with-fallback-font to with-font-fallbacks

• rename sans-with-fallback-font theme to default-sans-with-font-fallbacks

• configure spacing around thematic break using thematic-break-padding key instead of margin top and bottom (#2164)

• rename convert_listing_or_literal to convert_code and alias old name

• reify convert handler for STEM blocks (convert_stem)

• reify convert handler for pass blocks (convert_pass) and remove block decoration

Bug Fixes

• honor caption-align when element align is not left and caption-max-width is % of element width (e.g., fit-content(50%)) (#2156)

• do not orphan sidebar title (#2158)

• allow theme to set font style of first line of abstract to normal_italic (#2138)

• add support for :color option to Prawn::Text::Formatted::Box directly and remove workarounds

• preserve columns on subsequent pages in the index section (#2149)

• fix return value of cursor method inside block for column box in index section

• correctly detect preceding code block when determining whether to collapse top margin of colist

• apply bottom margin to thematic break that falls at top of page (#2164)

• allow extended converter to override convert_code method to handle convert_listing and convert_literal calls

• restore margin below pass block

• remove use of deprecated theme keys in default-for-print theme

Details

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2.0.0.beta.1 (2022-05-04) - @mojavelinux

Enhancements

• introduce index-pagenum-sequence-style document attribute to control style of sequential page numbers in index when media=screen (#1656)

• allow entry for document in outline to be controlled using outline-title attribute (#1789)

• allow extended converter to insert or filter toc entries by overriding get_entries_for_toc method (#2097)

• add asciidoctor/pdf/nopngmagick script to unregister Gmagick handler for PNG images only (#1687)

• allow theme to configure which end the caption is placed for a block image (#2115)

• add Page#imported method to mark page as imported (which suppresses running content)

• add support for smallcaps text transform by replacing lowercase letters with small capital variants (#1192)

• use base-border-color as default border color; control appearance of border using border-width value alone (#2134)

• remove border colors in base theme so all border colors can be controlled using base-border-color when extending theme

• enable running footer when using base theme

• allow built-in optimizer to set PDF compliance flag (PDF/A and PDF/X) using value of optimize attribute (#125)

Bug Fixes

• allow border width of block image to be specified as an array (1, 2, or 4 values) (#2119)

• rename delete_page extension method to delete_current_page to avoid conflict with incompatible method on Prawn::Document

• remap table-caption-side theme key to table-caption-end (#2125)

• add missing glyph for ÿ in built-in fonts

• remove use of deprecated keys in chronicles-dark-theme.yml

Details

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2.0.0.alpha.3 (2022-05-01) - @mojavelinux

Enhancements

• allow border width of block to be specified per edge using 4-value array (#2102)

• allow padding on block to be specified using 2-value array for ends and sides or 3-value array with implied left side value (#2104)

• allow margins in running content to be specified using 2-value array for ends and sides or 3-value array with implied left side value (#2104)

• allow theme to set border and padding on headings per level (#434)

Improvements

• reduce top and bottom padding on quote and verse blocks in base theme

• use uniform top and bottom padding on quote blocks in default theme

• change inscribe_ method prefix in converter to ink_

Bug Fixes

• allow ink_toc method in extended converter to insert page above TOC page

• remap layout_ methods contributed to converter by prepended module

• neutralize padding hacks in themes designed before the converter had smart margins

• allow the smallest ends or sides border width on block to be less than 1

• cap border corners on block when width is defined using array (uniform or otherwise) (#2103)

• fix crash in certain circumstances when theme does not define value for base-border-width key

• use sensible fallbacks for table border and grid color and width (retains backwards compatibility)

Details

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2.0.0.alpha.2 (2022-04-29) - @mojavelinux

Enhancements

• separate align and text-align keys in theme schema; remap old keys for backwards compatibility (#2095)

• allow theme to control the border on all sides of tables independently (#902)

• keep section title with first block of content is breakable option is set on section (#2075, #38)

• pass the part and chapterlike options to the arrange_section method for convenience

• add support for background-color property on caption (#1995)

• add support for image-based icons, resolved from iconsdir and having the icontype file extension (#1770)

• add asciidoctor/pdf/nogmagick script to prevent loading prawn-gmagick gem (#1687)

• change name of untitled option on special section to notitle

• allow the title of any section to be hidden using the notitle option

• allow imported PDF page to be referenced in TOC by enclosing in parent section with notitle option (#1213)

• allow entry for preface to be added to TOC without adding title to body using the notitle option on the preface section (#1786)

• automatically promote the notitle option from the first block in the preamble to preface section; restore lead role on opening paragraph (#1786)

Improvements

• change "icon" to "icon image" in warning about missing admonition icon image

• report admonition type in warning about missing implicit admonition icon image

Bug Fixes

• set the base font of the front cover image is a PDF and the title page is not active (#2092)

• pass through warnings in background SVG to logger (#1940)

• keep closing quote with trailing ellipsis in text enclosed in typographic quotes (#321)

• collapse space in front of hidden index term (#2061)

• delete dests on page before deleting it (keeps generated PDF clean of obsolete destinations)

• don’t call arrange_section if section title is hidden

• remove theme_font enclosure around call to start_new_chapter and start_new_part

• change layout_ method prefix in converter to inscribe_ (#2099)

Details

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2.0.0.alpha.1 (2022-04-20) - @mojavelinux

Enhancements

• make delimited blocks breakable by default; require the unbreakable option on the block to retain the previous “keep together” behavior (#2004, #578, #509, #240)

• add support for the unbreakable option on a table to prevent it from being split across pages (#2022, #871, #819, #331)

• add support for the breakable option on a table (special case) to keep the caption and ID with the start of the table (#2022, #993)

• implement smart bottom margins on blocks to prevent extra space below blocks, particularly nested blocks (#1515, #1513, #1845)

• drop support for top-margin key on block and prose categories in theme; space between delimited blocks and lists now controlled using bottom margins only (#1515)

• allow location of anchor for block to be positioned relative to content using block-anchor-top key in theme (#2013)

• allow page numbering and running content to start after first page of a document without a title page by assigning an integer to the respective start-at theme key (#1644)

• allow page numbering and running content to start after toc (wherever it’s placed) by assigning the keyword after-toc to the respective start-at theme key (#1763)

• allow theme to configure page numbering to start at cover (#1727)

• allow the front and back cover images to be defined in the theme (#1584)

• allow the front and back cover images to be specified as a data URI (#1584)

• allow theme to control margin and content margin of running content per periphery (header or footer) and per side (recto or verso) (#994)

• allow theme to control border style of delimited blocks (example, sidebar, code, admonition, verse, quote) (#1586)

• allow theme to control font color of first line of abstract using abstract-first-line-font-color key

• allow theme to control background color and border offset (only for background) of links (#1705)

• support custom role on paragraph to allow theme to control font properties (#483)

• change lead category in theme to built-in role named lead (#2031)

• allow theme to control line height of blocks using line-height property where font properties are accepted (#2032)

• don’t render index section if index is empty (i.e., there are no index entries)

• allow title of special section to be hidden by setting untitled option on section

• stabilize font paths in built-in themes by prefixing paths with GEM_FONTS_DIR (#1568)

• assign page-layout attribute in running content so it can be used to select a background per layout (#1570)

• reset numbering of footnotes in each chapter (#1639)

• add chapter xreftext to label of footnote reference that refers to previous chapter (#1639)

• add support for assigning the same font file to all font variants (i.e., styles) using the wildcard key (*) (#1588)

• bundle Noto Sans in addition to Noto Serif and add built-in theme sans-with-fallback-font (#2010)

• allow caption max-width to be set to percentage of content by passing argument to fit-content function (#1494)

• allow theme to control text alignment of caption independent of box alignment (#1493)

• set chapter-numeral attribute in running content on pages in chapter if sectnums attribute is set (#1373)

• set part-numeral attribute in running content on pages in part if partnums attribute is set (#1373)

• add support for normal_italic font style (to reset font style to normal, then apply italic) (#1603)

• honor text alignment roles (e.g., text-left) or list-text-align theme key on callout lists

• honor text alignment roles (e.g., text-center) on block image (#1609)

• honor role and inherited role on inline image (#1939, #1376)

• disable running header and/or footer on toc pages if noheader and/or nofooter option is set on toc macro (#1378)

• add support for preamble toc placement

• only insert macro toc at location of first toc macro

• ignore requested pages not found in imported PDF (#1616)

• disable document outline if outline document attribute is unset (#1619)

• keep temporary artifacts (for debugging) if KEEP_ARTIFACTS env var is set

• define a dest name "toc" at the top of the default toc location

• normalize space characters in authors content and drop lines with unresolved attribute references (#1642)

• skip image block with missing image if computed alt text resolves to empty string (#1645)

• custom theme does not inherit from base theme by default; must be specified explicitly using extends: base (#1640)

• allow theme to configure number of index columns using index-columns key (#1663)

• configure AsciiDoc table cell to inherit font properties from table and scale font size of nested blocks (#926)

• scale font size of literal table cell (#1696)

• add support for id attribute on link macro

• add support for link attribute on icon macro (#1915)

• allow theme to configure width of block border on ends separate from sides (#1693)

• add additional glyphs to built-in fonts (heavy checkmark to fallback font; both checkmarks to monospaced font; numero sign to prose and fallback fonts) (#1625)

• allow theme to specify text decoration style, color, and width for captions (globally)

• allow admonition icon image to be remote (if allow-uri-read is set) or data URI (#1711)

• allow theme to configure font color of unresolved footnote using unresolved role

• show textual label on admonition if icon image fails to embed (#1741)

• allow theme to disable title page by assigning false to title-page category key (#1754)

• allow Rouge theme to be specified as theme class or instance (API only)

• allow theme to control font size of dot leader in TOC

• allow section to override outlinelevels for self and children using outlinelevels attribute on section

• use value of author attribute for PDF info and pdfmark if locked by the API (#1778)

• only extend theme in extends hierarchy once unless modified with !important (#1800)

• add print-optimized themes (default-for-print and default-for-print-with-fallback-font) (#1699)

• add support for power operator in theme (with same precedence as multiply and divide) (#1813)

• include floor and ceil match characters in fallback font (#1832) (@oddhack)

• allow horizontal and vertical lines of table grid to be styled independently (#1875) (@hextremist)

• allow theme to define the characters for typographical quotation marks (#1880) (@klonfish)

• allow theme to control top margin of callout lists that immediately follow a code block using callout-list-margin-top-after-code key (#1895)

• introduce layout_general_heading to allow extended converter to access node (#1904)

• use Document#authors to retrieve authors instead of extracting the information from the indexed document attributes

• add support for character references that contain both uppercase and lowercase hexadecimal characters (#1990) (@etiwnad)

• log error and skip table instead of raising error if cell content cannot fit into column width of table (#2009)

• extract arrange_section method to compute whether section title should be advanced to next page (#2023)

• introduce callout-list category in theme to control font properties and item spacing of callout lists (#1722)

• only indent inner paragraphs (paragraphs that follow an adjacent paragraph) if prose-text-indent-inner key is set in theme (#2034)

• stop and restart conversion in scratch document once the code determines the block does not fit in the available space (#2003)

Bug Fixes

• reimplement arrange block logic by using scratch document to compute extent for content block in primary document instead of height (#2003, #2016, #789)

• correctly compute height of delimited block attached to description of item in horizontal dlist (follow-up to #2003)

• do not crash if item in horizontal description list has no desc

• do not crash if item in unordered description list has no desc and do not append subject stop to term

• ensure that Time.parse is loaded

• resolve images in theme correctly when theme is loaded from classloader (JRuby only) (#1829)

• log warning rather than crash if front cover image cannot be embedded (such as a broken SVG)

• do not insert blank line in index when term is forced to break (#1665)

• honor prepress page margins on subsequent pages in index (#1929)

• use more robust strategy for line height normalization that accounts for case when line contains only monospaced text (#1650)

• add support for line-height property on lead role as documented

• prevent generator from allocating space for placeholder null char (used for anchors) if font is missing glyph (#1672)

• ensure background and admonition icon image files are closed after being read (#1566)

• ensure temporary images generated by running content are cleaned up (#1566)

• fix encoding of indent in wrapped source blocks when font is AFM (#1934)

• fix spacing after first line of indented paragraph (#1557)

• fix crash if btn or kbd macro is used in section title (#1563)

• fix crash when applying text transform to heading cell in table body (#1575)

• allow custom inline role to control text transform when it’s not the only role on the phrase

• do not convert already converted intrinsic width for block and inline SVG

• honor font style when looking for glyph in font

• resolve character references in custom admonition label (as defined via caption attribute)

• convert blocks inside abstract, not just the contents of the blocks

• only suggest installing prawn-gmagick gem if not loaded (#1578)

• applying double border style to thematic break should honor border width

• warn once instead of crashing if page background image cannot be embedded (#1780)

• warn once instead of crashing if cache-uri is set but library is not available

• sanitize values of PDF info values (#1594)

• configure headings to inherit font styles from theme (#1604)

• use conum font family defined in theme for conum in verbatim block (#1611)

• apply font color and text transform from theme to terms in horizontal dlist (#1994)

• prevent content of AsciiDoc table cell from overrunning content on subsequent pages (#1623)

• account for top/bottom padding when computing height of AsciiDoc table cell

• log error message if table cell is truncated (#1626)

• take hard line breaks into account when computing natural width of table cell (#1762)

• use "toc" as the default dest name for the macro toc

• position page split indicator correctly when block has transparent border

• replace block macro with missing PDF target with alt text

• consistently use default margin when page margin resolves to empty array

• sort page numbers in index numerically instead of lexicographically; sort mixed page number types correctly (#1657)

• use informal title prefixed with down indicator for collapsible block (#1660)

• don’t apply border, shading, or padding to collapsible block (#1660)

• escape bare ampersand in attribution and citetitle of quote or verse block (#1662)

• fix numeric assertions in test suite (#1542)

• prevent converter for list item from inserting new page to position marker when next page is already instantiated (#2001)

• keep block anchor with code block when block is moved to next page (#1897)

• keep block anchor with admonition block when block is moved to next page

• remove poorly-defined (and undocumented) border bottom property for caption

• fix crash when theme specifies CMYK value for table border color (#1700)

• fallback gracefully if unrecognized convert-time syntax highlighter is used

• correctly process a sequence of two or more callouts separated by spaces in a source block (#1898)

• allow callouts sub to be disabled on source blocks (#1704)

• show missing footnote reference in superscript

• fix crash when icons=font and admonition_label_min_width is set in theme

• use oembed API over HTTPS to get thumbnail for Vimeo video

• show link to Vimeo video if allow-uri-read attribute is not set

• don’t apply syntax highlighting if Rouge lexer fails to highlight source; show plain source instead

• don’t apply syntax highlighting to source block if specialchars sub is disabled

• apply border bottom to correct table row when frame and grid are disabled (#1873)

• allow caption max width to be set by theme to fixed value

• fix crash when footnote is defined in section title with auto-generated ID

• do not duplicate footnotes in desc of horizontal description list (#1775)

• allow an index term to be defined in section title with auto-generated ID

• fix alignment of link box for image in running content with numeric vertical alignment

• fix vertical center alignment of normal table cell

• short-circuit xreftext containing a circular reference path

• prevent PDF page import from corrupting references in PDF (#1726)

• display decimal list marker correctly when list is reversed (e.g., 10., 09., 08., etc.)

• use correct spacing for dotted border dash on table (length and spacing should match width)

• set color space on page with only image so font color is preserved in running content (#1742)

• compute font size for superscript and subscript correctly when parent element uses em and % units (#1745)

• respect hyphenation exceptions when word is adjacent to non-word character (#1715)

• fix crash when TOC is enabled and index is empty

• align TOC section properly when index exceeds one page and section_indent is positive (#1735)

• fix left margin drift when indentation is active across a page break (#1735, #1949)

• render image at end of section title in corresponding toc entry (#1752)

• allow inline image to be enclosed in link macro (alt text was breaking parsing)

• prevent inline image from rendering multiple times if fallback font is used for alt text (#1858)

• allow theme to set font style of first line of abstract to normal

• resize admonition label to fit if height exceeds height of content box

• fix crash when underline style is used in Rouge theme

• fix crash when Text token is not defined in custom Rouge theme

• fix crash when Pygments style is not recognized; fall back to pastie style

• avoid loss of precision in CMYK color value for conum or footnote font

• use value of untitled-label attribute as fallback value for doctitle in running content (#1772)

• use value of untitled-label attribute as fallback value for Title field in pdfmark (follow-up to #1772)

• show sensible error message if background image cannot be loaded (e.g., data is corrupt)

• honor alignment role when aligning alt text for missing block image

• don’t crash when rendering alt text for block image if value of align attribute is invalid (#1781)

• correctly scale down SVG that only marginally exceeds bounds of page when fit=scale-down

• prevent font scale from compounding for nested blocks in AsciiDoc table cell (#2007)

• don’t suppress actual error message when theme cannot be loaded; may contain information about theme being extended

• force inline image to fit within table cell when width is larger than available space (#1798)

• hide print annotation for bare email address (#1806)

• patch float precision constant so prawn-table does not fail to arrange cells that span columns (#1835)

• capture footnotes in AsciiDoc table cell and render them with other footnotes at end of article/chapter (#1777)

• prevent PDF from being used as logo image on title page (since it cannot work properly anyway)

• don’t crash when generating TOC if section title is empty

• escape closing square bracket around alt text of missing image so it doesn’t get matched as part of a link macro

• use value of author attribute in PDF info and pdfmark if authors attribute is not set (#1922)

• honor pdf-folio-placement setting even when media=prepress (#1917)

• honor pre-wrap role on phrase (#1927)

• verify alignment of list marker in AsciiDoc table cell (#1965)

• don’t crash if value of width attribute on image has invalid format (#1970)

• don’t render borders and backgrounds in scratch document

• don’t insert blank page after document title if first block (chapter or toc macro) has nonfacing option (#1988)

• coerce negated variable reference to number if value of variable is numeric

• prepress page margins should honor value of pdf-folio-placement (#1918)

• ensure callout number in callout list stays with primary text when item is advanced to next page (#1967)

Compliance

• drop support for Ruby < 2.7 and JRuby < 9.2 (#1681, #2038)

• declare the matrix gem as a dependency to fix compatibility with Ruby 3.1

• use YAML.safe_load from Ruby stdlib instead of safe_yaml gem

• drop deprecated Pdf module alias in API (leaving only PDF)

• remove deprecated "ascii" fonts; only bundle the more complete "subset" fonts

• remove support for <color> tag in passthrough content; use <font color="…​"> instead (may affect themes)

• remove asciidoctor-pdf/converter and asciidoctor-pdf/version shim scripts; use asciidoctor/pdf/converter and asciidoctor/pdf/version instead

• rename Optimizer#generate_file method to Optimizer#optimize_file

• drop support for deprecated pdf-style and pdf-stylesdir attributes (#1827)

• drop use of the undocumented vertical-spacing key from the built-in themes

• rename the outline-list category in the theme to list and map the outline-list- keys to list- with warning if found (#1894)

• rename the literal category in the theme to codespan and map the literal- keys to codespan- with warning if found (#1796)

• rename the blockquote category key in the theme to quote and map the blockquote- prefix to quote- with warning if found (#2054)

• rename the key category key in theme to kbd and map the key- prefix to kbd- with warning if found (#2052)

• remove unneeded _mb functions (e.g., uppercase_mb); multibyte support for upcase, downcase, and capitalize is now provided by corelib

Build / Infrastructure

• migrate Linux CI jobs to GitHub Actions (#1814)

• enable CI job on macOS (#1817)

• add Ruby 3.1 to CI matrix; use as primary Ruby

• test against Asciidoctor upstream (#1821)

• skip tests for unreadable files when euid is 0

• use prawn-table release and drop recommendation to use the development version (converter now patches prawn-table)

1.6.2 (2021-12-31) - @mojavelinux

Enhancements

• show URL of link for any media type when show-link-uri is set (#951)

• do not show URL of link when media type is screen or prepress when show-link-uri is unset (#951)

Bug Fixes

• update patches for PDF::Core.real and PDF::Core.real_params to prevent scientific notation ending up in PDF (#1983) (@rillbert)

1.6.1 (2021-09-04) - @mojavelinux

Enhancements

• align footnotes block to the bottom of the page it is placed on (#1833)

Bug Fixes

• patch Prawn to preserve leading null character when running on Ruby 3; preserves inline anchors when text is split by page (#1963)

1.6.0 (2021-05-10) - @mojavelinux

Enhancements

• allow path of ghostscript command to be controlled using GS env var (#1791)

Bug Fixes

• do not hyphenate a hyphen when hyphenation is enabled (#1562)

Compliance

• add support for Ruby 3 and drop support for Ruby < 2.5 and JRuby < 9.2 (#1681)

• upgrade to Prawn 2.4.0 (adds support for Ruby 3 and OTF font support)

• upgrade to prawn-svg 0.32 (adds support for Ruby 3 without a patch and for loading embedded images from a data URI)

• upgrade to prawn-icon 3.0.x

• release lock on ttfunk version (1.6 produces slightly different output from 1.5 for certain missing glyphs)

• drop support for Asciidoctor < 2 (#1552)

Build / Infrastructure

• run tests against pygments.rb 2.x in addition to pygments.rb 1.2.0

1.5.3 (2020-02-28) - @mojavelinux

Bug Fixes

• do not hyphen a hyphen when hyphenation is enabled (#1562)

• fix crash when applying text transform to heading cell in table body (#1575)

• honor font style when looking for glyph in font

• only suggest installing prawn-gmagick gem if not loaded (#1578)

1.5.2 (2020-02-21) - @mojavelinux

Bug Fixes

• fix crash if btn or kbd macro is used in section title (#1563)

• ensure background and admonition icon image files are closed after being read (#1566)

• ensure temporary images generated by running content are cleaned up (#1566)

1.5.1 (2020-02-16) - @mojavelinux

Enhancements

• allow theme to control font color of first line of abstract

Bug Fixes

• fix spacing after first line of indented paragraph (#1557)

1.5.0 (2020-02-11) - @mojavelinux

• support table with multiple head rows & decorate accordingly (#1539)

• draw background and border around entire delimited block with wrapped text that appears inside an AsciiDoc table cell (#820)

• fix crash when document has PDF cover page and SVG page background (#1546)

• allow page mode to be fully configured using pdf-page-mode attribute or page_mode theme key (#840)

• allow background image to be specified using a data URI

• allow running content image to be specified using a data URI

• support creating empty front or back cover by assigning empty value to front-cover-image or back-cover-image attribute

• only warn once per missing character (#1545)

• render pass block as listing block, using raw source as contents

• prevent image placeholder from altering character spacing in inline SVG (#1550)

1.5.0.rc.3 (2020-02-04) - @mojavelinux

• reserve space for inline image correctly so it doesn’t mangle the character spacing in the line when the image wraps (#1516)

• allow custom theme to merge font catalog with theme being extended (#1505)

• allow font path to be declared once for all font styles (#1507)

• continue border, background, and column rule of admonition block on subsequent pages when block gets split (#1287)

• allow max-width on caption be specified as a percentage (of the container width) (#1484)

• add support for remote image in running content (if allow-uri-read attribute is set) (#1536)

• add support for remote background images specified by theme (if allow-uri-read attribute is set) (#1536)

• add support for remote title page logo image specified by theme (if allow-uri-read attribute is set) (#1536)

• place dots on correct page when section title in TOC wraps across a page boundary (#1533)

• add destination to top of imported PDF if ID is specified on image block

• log reason if theme file cannot be parsed or compiled (#1491)

• fix crash if background image in theme is not readable

• bundle emoji font and use as fallback in default-with-fallback-font theme (#1129)

• add dark theme for chronicles example

• allow vertical-align key for header and footer categories to accept numeric offset as second value (e.g., [top, 10]) (#1488)

• link font family for abstract and sidebar to heading font family if only latter is set

• if path of missing font is absolute, don’t suggest that it was not found in the fontsdir

• allow use of style "regular" as alias for "normal" when defining font

• emit warning in verbose mode if glyph cannot be found in fallback font (#1529)

• don’t crash if table is empty and emit warning (#607)

• only emit warning when non-WINANSI character is used with AFM font if verbose mode is enabled

• do not emit warning when non-WINANSI character is used with AFM font inside scratch document

• do not emit log messages from scratch document

• upgrade treetop to 1.6

• reenable tests on Windows (#1499) @slonopotamus

1.5.0.rc.2 (2020-01-09) - @mojavelinux

• patch Prawn to fix incompatibility with Ruby 2.7 (to fix text wrapping)

• fix crash when assigning font style to header cell in table body (#1468)

• fix parsing of array value of pdf-page-margin attribute (#1475)

• fix warning when reading data from a remote URL when running with Ruby 2.7 (#1477)

• pass SVG warnings to logger (#1479)

• compress streams if the compress attribute is set on the document (#1471)

• don’t set heading-font-family in default theme so it inherits from base

1.5.0.rc.1 (2020-01-06) - @mojavelinux

• support data URI for SVG image (#1423)

• account for border offset in width of fragment (#1264)

• ignore case when sorting index terms (#1405)

• partition section title (title and subtitle) if title-separator document attribute or separator block attribute is set (#623)

• allow page numbering to start after first page of body by assigning an integer to the page_numbering_start_at theme key (#560)

• allow running content to start after first page of body by assigning an integer to the running_content_start_at theme key (#1455)

• allow output file to be written to stdout (#1411)

• implement line highlighting for source blocks when using Rouge as source highlighter (#681)

• implement line highlighting for source blocks when using Pygments as source highlighter (#1444)

• indent wrapped lines in source block beyond linenum gutter (#504)

• don’t mangle source block if linenums are enabled and language is not set

• don’t print line number if source block is empty

• don’t apply recto margin to title page if cover is absent unless value of front-cover-image attribute is ~ (#793)

• expose theme as property on converter

• add support for unbreakable option on open blocks (#1407) @mogztter

• don’t add mailto: prefix to revealed mailto URI when hide-uri-scheme is set (#920)

• allow theme to set base text decoration width (#1414)

• allow theme to set font-kerning per category (#1431)

• allow theme to specify background image for running content (#356)

• allow theme to specify border for admonition block (#444)

• allow theme to specify background color for admonition block (#444)

• allow theme to specify background color and full border for quote and verse blocks (#1309)

• allow text alignment roles to be used to control alignment of discrete heading

• allow theme to configure image caption align(ment) to inherit from image align(ment) (#1459)

• allow theme to confine width of image caption to width of image (#1291)

• don’t apply border to block if border width is not set (or nil)

• use font color from pygments style for unhighlighted text (#1441)

• render stem block as raw literal block

• render stem phrase as monospaced text

• honor percentage unit on width attribute value on image (#1402)

• fix crash when capitalizing text that does not contain markup

• allow custom inline role to control text transform (#1379)

• convert link macro enclosed in smart quotes

• allow inline image to be fit within line using fit=line (#711)

• fix fit=cover for background image when aspect ratio of image is taller than page (#1430)

• compute and apply line metrics for cells in table head row (#1436)

• compute and apply line metrics correctly for cells in table body and foot rows (#1436)

• allow section to override toclevels for self and children using toclevels attribute on section (#734)

• allocate space for pagenum in toc consistently (#1434)

• fall back to default theme instead of crashing if specified theme cannot be resolved

• allow font color to be set on nested span in passthrough content

• move width and align attributes from font tag to width and align style properties on span tag

• compute table cell padding correctly when specified as a 4 element array

• preserve isolated callout on final line of source block

• fix missing require in asciidoctor-pdf-optimize script (#1467)

• lock version of ttfunk to 1.5.x

1.5.0.beta.8 (2019-11-23) - @mojavelinux

• automatically hyphenate prose using the text-hyphen gem if the hyphens document attribute is set (#20)

• set hyphenation language using the hyphens attribute value, falling back to the lang attribute (#20)

• add support for capitalize text transform (#1382)

• fix AsciiDoc table cell from overflowing bounds of table and creating extra page (#1369)

• don’t double escape XML special characters in literal table cell (#1370)

• allow theme to customize the width and color of text decoration (underline and line-through) (#812)

• use same line height throughout abstract

• don’t mangle XML attribute values when applying lowercase text transform (#1391)

• place toc at same position in outline as it is in the document (#1361)

• log warning with error message if remote image cannot be retrieved

• allow initial page mode to be set to fullscreen using pdf-page-mode=fullscreen attribute or page_mode=fullscreen theme key (#1357)

• allow theme to configure content of entries in authors line on title page (#800)

• allow theme to override styles of caption on admonition blocks (#561)

• allow theme to configure hanging indent for titles in toc (#1153)

• apply hanging indent to wrapped entries in index (#645)

• allow theme to configure text decoration of headings (#811)

• define line-through and underline roles as built-in custom roles so they can be customized (#1393)

• allow top value of logo and title on title page to be specified in any measurement unit

• don’t set a top value for the logo on the title page if not set in theme

• if value of scripts attribute is cjk, break lines between any two CJK characters except punctuation in table cells (#1359) (gasol)

• ignore invalid cellbgcolor value (#1396)

• recommend installing prawn-gmagick gem if image format is unsupported

• set cache_images option on SVG interface if cache-uri attribute is set on document (#223)

• upgrade prawn-svg to fix display of links in plantuml diagrams (#1105)

• allow icon set to be specified as prefix on target of icon macro (#1365)

• write Unix epoch dates to pdfmark file in UTC when reproducible is set

• don’t include software versions in PDF info if reproducible attribute is set

• fix optimizer so it applies pdfmark after reading input file

• allow converter instance to be reused

1.5.0.beta.7 (2019-10-29) - @mojavelinux

• fix value of implicit page-count attribute when page numbering and running content don’t start on same page (#1334)

• fix value of implicit chapter-title attribute on preface pages (#1340)

• show value of untitled-label attribute in outline if doctitle is not set (#1348)

• don’t show entry for doctitle in outline if doctitle is not set and untitled-label attribute is unset (#1348)

• generate outline if document has doctitle but no body (#1349)

• allow elements on title page to be disabled from theme using display: none (#1346)

• set chapter-title attribute to value of toc-title attribute on toc pages in book (#1338)

• set section-title attribute to value of toc-title attribute on toc pages in article if page has no other sections (#1338)

• allow ranges of pages from PDF file to be imported using image macro as specified by pages attribute (#1300)

• set default footer content in base theme; remove logic to process footer_<side>_content: none key (#1320)

• include doctitle in outline for article when article is only a single page (#1322)

• allow custom (inline) role to control text decoration property (#1326)

• point doctitle entry in outline to first page of content when doctype is article and document has front cover

• fix asciidoctor-pdf-optimize script and register it as a bin script

• rename -q CLI option of asciidoctor-pdf-optimize script to --quality

• only promote first paragraph of preamble to lead paragraph (assuming it has no role) (#1332)

• don’t promote first paragraph of preamble to lead paragraph if it already has a role (#1332)

• fix crash when document has no doctitle or sections and untitled-label attribute is unset

• ignore invalid align value for title logo image (#1352)

1.5.0.beta.6 (2019-10-11) - @mojavelinux

• reorganize source files under asciidoctor/pdf folder (instead of asciidoctor-pdf)

• reorganize monkeypatch files under asciidoctor/pdf/ext

• allow toc to be positioned using toc macro (#1030)

• extend dots leading up to page number from wrapped line in toc (#1152)

• set fit=contain by default on cover and page background images (#1275)

• implement fit=fill for cover, page background, and running content raster (non-SVG) images (#1276)

• allow foreground image (e.g., watermark) to be added to each page using page-foreground-image attribute or theme key (#727)

• allow section body to be indented using section_indent key in theme (#737)

• add glyphs for built-in characters to bundled monospace font (M+ 1mn) (#1274)

• look for "noborder" role on image even if other roles are defined

• remove deprecated table_odd_row_background_color and table_even_row_background_color keys from theme

• implement unordered and ordered description lists (#1280)

• recognize transparent as valid value for cellbgcolor attribute

• allow custom role to revert font style to normal (#1286)

• allow theme to control font properties (font size, font color, etc) of description list term (#1289)

• allow theme to override caption styles for specific block categories: blockquote, code, example, footnotes, image, listing, and table (#307)

• allow theme to control style of verse block independently of a quote block (#40)

• position list marker correctly when media=prepress and list item is advanced to next page or split across pages (#1303)

• layout horizontal dlist in two columns (#310)

• apply normal substitutions to content of manname section (#1294)

• optimize PDF using quality specified in value of optimize attribute if optimize attribute is set (#535)

• allow xref macro to override xrefstyle set on document

• assume admonition icon in theme is a legacy FontAwesome icon if the icon set prefix is absent

• rewrite optimize-pdf as a bin script named asciidoctor-pdf-optimize

• allow image alt text formatting and arrangement to be controlled by theme (#730)

• upgrade prawn-icon to 2.5.0 (which upgrades Font Awesome to 5.11.2)

1.5.0.beta.5 (2019-09-13) - @mojavelinux

• pass styles for inline elements downwards when parsing, allowing role to override default styles for element (#1219)

• document title in outline should point to second page if document has cover page (#1268)

• start at setting for running content and page numbering must account for disabled title page (book doctype) (#1263)

• start at setting for running content and page numbering must account for front cover (#1266)

• preserve indentation that uses tabs in verbatim blocks when tabsize is not set (#1258)

• use consistent line height for list items and toc entries if text is entirely monospace (#1204)

• fix spacing between items in qanda list

• expand home directory reference in theme name when value ends with .yml and no themedir is specified

1.5.0.beta.4 (2019-09-04) - @mojavelinux

• always use ; as delimiter to separate multiple font dirs to be compatible with JAR paths (#1250)

• preserve hyphens in role names in theme file (#1254)

• allow second arg of outlinelevels attribute to control expand depth of outline (#1224)

• allow font catalog and font fallbacks to be defined as flat keys in the theme file (#1243)

• don’t crash when adding indentation guards to source highlighted with Pygments (#1246)

• don’t override font color of formatted text in toc (#1247)

• prevent toc from overrunning first page of content by reserving more space for the page number (#1242)

• allow number of digits reserved for page number in the toc to be adjusted using toc-max-pagenum-digits attribute (#1242)

1.5.0.beta.3 (2019-08-30) - @mojavelinux

• allow multiple font dirs to be specified using the pdf-fontsdir attribute (#80)

• fill and stroke bounds of example across all pages (#362)

• allow page background color and background image to be used simultaneously (#1186)

• allow theme to specify initial zoom (#305)

• strip surrounding whitespace from text in normal table cells

• allow attribute references to be used in image paths in theme (#588)

• resolve variables in font catalog in theme file

• honor the cellbgcolor attribute defined in a table cell to set the cell background color (#234) (mch)

• add the .notdef glyph to the bundled fonts (a box which is used as the default glyph if the font is missing a character) (#1194)

• don’t drop headings if base font family is not set in theme

• don’t crash if heading margins are not set in theme

• don’t rely on base_line_height_length theme key in converter (should be internal to theme)

• set fallback value for base (root) font size

• reduce min font size in base theme

• allow theme to configure the minimum height required after a section title for it to stay on same page (#1210)

• convert hyphen to underscore in theme key for admonition icon type (#1217)

• always resolve images in running content relative to themesdir (instead of document) (#1183)

• fix placement of toc in article when doctitle is not set (#1240)

• honor text alignment role on abstract paragraph(s)

• don’t insert blank page at start of document if media=prepress and document does not have a cover (#1181)

• insert blank page after cover if media=prepress (#1181)

• add support for stretch role on table (as preferred alias for spread) (#1225)

• include revremark on title page if specified (#1198)

• allow theme to configure border around block image (#767)

• align first block of list item with marker if primary text is blank (#1196)

• apply correct margin to list item if primary text is blank (#1196)

• allow page break before and after part and before chapter to be configured by theme (#74)

• allow page number of PDF to import to be specified using page attribute on image macro (#1202)

• use value of theme key heading-margin-page-top as top margin for heading if cursor is at top of page (#576)

• resolve icon image relative to docdir instead of current working directory

• allow theme to style mark element; add default styles to built-in themes (#1226)

• if value of scripts attribute is cjk, break lines between any two CJK characters (except punctuation) (#1206)

• add support for role to font-based icon (to change font color) (#349)

• use fallback size for admonition icon

• allow attribute reference in running content to be escaped using a backslash

• allow theme to configure text background and border on a phrase with a custom role (#1223)

• fix crash if source-highlighter attribute is defined outside the header (#1231)

• fix crash when aligning line numbers of source highlighted with Pygments (#1233)

1.5.0.beta.2 (2019-07-30) - @mojavelinux

• only apply title page background image to the title page (#1144)

• make sure title page background or color (and only title page background or color) gets applied to title page even when page has already been created (#1144)

• fix crash when image_width is defined in theme (#995)

• fix crash when toc is enabled and toc-title attribute is unset

• correctly map legacy Font Awesome icon names when icon set is not specified (#1157)

• coerce color values in theme that contain uppercase letters (#1149)

• prevent table alignment from modifying margins of subsequent pages; only align table if width is less than bounds (#1170)

• ensure base font color is set

• use more robust mechanism to detect an empty page; tare content stream after adding page background color or image

• ignore pdf-themesdir unless pdf-theme is specified (#1167)

• allow theme to control glyphs used for conums (#133)

• allow theme to control background and border of inline kbd (#313, #1004)

• add support for link on image in running content (#1002)

• allow theme to disable font kerning

• add support for default theme alignment for tables (#1164)

• add theming support to (inline) roles on phrases (#368)

• allow theme to customize style of titles in running content using title-style key (#1044)

• add support for the built-in big and small roles on phrases (#459)

• route AFM font warning through Asciidoctor logger

• upgrade code font (M+ 1mn) to TESTFLIGHT-63a

• include all alphanumeric characters in code font (mplus1mn) (#282)

• report clearer error message when theme can’t be found or loaded

• document how to prepare a TTF font to work best with Asciidoctor PDF (#297)

1.5.0.beta.1 (2019-07-08) - @mojavelinux

• rename pdf-style and pdf-stylesdir attributes to pdf-theme and pdf-themesdir, respectively (while still honoring the old names for compatibility) (#1127)

• don’t load fallback font by default; move fallback font to default-with-fallback-font theme

• apply cell padding to table cells in the head row (#1098)

• allow the theme to control the padding of table cells in the head row using the table_head_cell_padding key (#1098)

• fix position of table caption for reduced-width tables when caption align is center (#1138)

• adjust width of table caption to match width of table unless table_caption_max_width is none in theme (#1138)

• fix position of text in running header (#1087)

• ignore start attribute on ordered list if marker is disabled

• allow start value to be negative for ordered lists that use arabic or roman numbering (#498)

• don’t convert values in theme which are not color keys to a string (#1089)

• apply page layout specified on page break even when break falls page boundary (#1091)

• scale SVG background image to fit page in the same way raster image is scaled (#765)

• allow page background size to be controlled using image macro attributes (#1117)

• allow page background image position to be controlled using position attribute on image macro (#1124)

• add support for fit=cover for cover, page background, and running content images (#1136)

• change default background image position to center (#1124)

• allow cover image position to be controlled using position attribute on image macro (#1134)

• change default cover image position to center (#1134)

• allow cover image size to be controlled using fit, pdfwidth, and width attributes; don’t scale image by default (#1134)

• set enable_file_requests_with_root and enable_web_requests options for all SVGs (#683)

• automatically set pdf-stylesdir if pdf-style ends with .yml and pdf-stylesdir is not specified (#1126)

• replace hyphens with underscores in top-level theme keys

• allow hyphens to be used in variable references in theme (#1122)

• allow theme to control background and border of inline code (literal) (#306)

• allow theme to control background and border of inline button (#451)

• resolve null color value in theme to nil (aka not set)

• add support for cgi-style options on source language when syntax highlighting with Rouge (#1102)

• apply custom theme to chronicles example to customize running content and demonstrate how to extend default theme

• drop remapping of legacy running content keys in theme data

• resize running content to fit page layout (#1036)

• exclude border width from running content area (#1109)

• support text-transform property in running content (#702)

• make depth of section titles assigned to section-title attribute in running content configurable (#1141)

• support width attribute on image in running content if no other dimension attribute is specified

• apply correct scale-down logic to image in running content

• allow image format to be specified using format attribute (cover page image, page background image, running content image) (#1132)

• allow theme to set bottom border properties (color, style, and width) of table head row (#770)

• allow column rule and spacing to be specified for running content when multiple columns are specified (#1093)

• never load base theme when loading default theme; otherwise load base theme if extends isn’t specified, but only if theme data hasn’t been initialized

• shorten text-alignment attribute to text-align

• set PDF version to 1.4 by default (#302)

• allow PDF version to be set using pdf-version document attribute (#302)

1.5.0.alpha.18 (2019-06-01) - @mojavelinux

• restore compatibility with Asciidoctor back to 1.5.3 and add verification to test matrix (#1038)

• allow one theme to extend another theme using the top-level extends key (#367)

• allow theme to set text indent for paragraphs using prose_text_indent (#191)

• allow theme to set spacing between adjacent paragraphs using prose_margin_inner (#191)

• show parts in toc when toclevels=0 (#783)

• add support for autonumbered callouts in source blocks (#1076)

• fix duplication of footnotes in keep together regions (#1047)

• display standalone preamble in book normally (#1051)

• allow outline depth to be set using outlinelevels attribute independent of toclevels (#1054)

• fix compounding cell padding (#1053)

• add support for qanda list (#1013)

• fix parsing of bibref and link inside footnote text (#1061)

• restore square brackets around ID of bibliography entry with custom ID (#1065)

• add page_numbering_start_at key to theme to control start page for page numbering (#1041)

• don’t allow running_content_start_at key to affect page numbering (#1041)

• substitute chapter-title property on front matter pages (replace with doctitle and toc-title, respectively, when running content starts before first page of body) (#1040)

• allow side margins to be set on elements on title page (#824)

• don’t promote preamble to preface if preface-title attribute is empty

• expand padding value for running content (header and footer) to array

• add support for unnumbered (and no-bullet) style on ordered list (#1073)

• add visual regression capability to test suite (@beatchristen)

• ensure index section doesn’t get numbered when using Asciidoctor < 1.5.7

• add part signifier and part number to part title if partnums is set; allow signifier to be customized using part-signifier attribute (#597)

• add support for the chapter-signifier attribute as the preferred alternative to chapter-label

• warn if the image referenced in the running content cannot be found (#731)

1.5.0.alpha.17 (2019-04-23) - @mojavelinux

• drop support for Ruby < 2.3 (and installation will fail for Ruby < 2.1)

• add asciidoctor/pdf and asciidoctor/pdf/version require aliases (#262)

• rename module to Asciidoctor::PDF and define Asciidoctor::Pdf alias for backwards compatibility (#262)

• switch to tilde dependency versions (flexible patch number) instead of ranges

• upgrade prawn-svg to 0.29.1; resolves numerous SVG rendering issues (#886, #430)

• drop support for Rouge < 2

• add a test suite (#37)

• allow running content (header and footer) to be enabled on title and toc pages; controlled by running_content_start_at property in theme (#606)

• add support for nbsp named entity (i.e., + ); replace occurrences of nbsp named entity with a single space in outline

• upgrade to FontAwesome 5; introduce the fas, far, and fab icon sets, now preferred over fa; drop support for octicons (#891) (@jessedoyle)

• place footnotes at end of chapters in books or end of document otherwise (#85) (@bcourtine)

• fix rendering of footnotes directly adjacent to text in a normal table cell (#927)

• place toc directly after document title when doctype is not book (#233) (@ogmios-voice)

• add page layout control to page break (#490) (@resort-diaper)

• allow additional style properties to be set per heading level (#176) (@billybooth)

• add support for hexadecimal character references, including in link href (#486)

• force set data-uri attribute on document so Asciidoctor Diagram returns absolute image paths (#1033)

• set line spacing for non-AsciiDoc table cells (#296)

• consider all scripts when looking for leading alpha characters in index (#853)

• don’t create title page for article doctype unless title-page attribute is set (#105)

• don’t show article title if notitle attribute is set (#998)

• generate name section for manpage doctype automatically (#882)

• remove unprocessed passthroughs in literal cells

• apply font style from theme to formatted text description list term (#854)

• prevent tempfile for remote image from being deleted before it’s used (#947)

• handle case when uri to make breakable is empty (#936)

• add support for frame=ends as alternative to frame=topbot on table

• allow table frame and grid to be set globally using the table-frame and table-grid attributes (#822)

• disable table stripes by default (#1049)

• allow table stripes to be enabled globally using table-stripes attribute (#1049)

• use new logging subsystem, if available; otherwise, use shim (#905)

• allow alignment of list text to be controlled using roles (#182)

• allow text alignment to be set for abstract (#893)

• prevent text from overlapping page number in TOC (#839)

• allow ulist marker to be controlled by theme (#798)

• add support for reftext for bibliography entry (#864)

• add support for fw (full-width) icons (#890)

• decouple vw units with alignment (#948)

• add align-to-page option for block images (#948)

• add support for SVG admonition icons (#828) (@keith-packard)

• rename pastie theme for Rouge to asciidoctor_pdf_default

• add bw theme for Rouge (#1018)

• reset top margin of index columns when overflowing to new page (#929)

• add support for line numbers in source listings (#224)

• add U+2060 (word joiner) character to built-in Noto Serif font and fallback font (#877)

• add U+202F (narrow no-break space) character to fallback font (#807)

• ensure callout number ends up on same page as item text (#914)

• guard against pygments returning nil (#884)

• encode quotes in alt text of inline image (#977)

• fix crash when menu macro is used in a section or block title (#934)

• remove duplicate message when syntax highlighter is unavailable; don’t crash processor (#1078)

• only look for the start attribute on the code block itself when highlighting with rouge

• apply block styling to background for line-oriented tokens in rouge by default

• detect pagenum ranges in index when media is print or prepress (#906)

• ignore style when resolving icon font (#956, #874)

• remove correct width method when overloading Prawn::Text::Formatted::Fragment

• remove ZWSP from alt text of image to prevent fragment from being duplicated (#958)

• avoid call to super in prepended module to fix Ruby 1.9.3

• look for correct file to require in bin script

• upgrade prawn-icon from 1.3.0 to 1.4.0

• upgrade rouge to 2.2.1

• add concurrent-ruby to runtime dependencies for compatibility w/ Asciidoctor 1.5.8

1.5.0.alpha.16 (2017-07-30) - @mojavelinux

• add support for xrefstyle attribute (#464)

• allow page side to be based on physical page number and/or be inverted (#813) (@fap-)

• fix layout error caused by nested keep together blocks (#791)

• upgrade prawn-svg to allow generic font names to be mapped in SVG (#777)

• upgrade prawn-svg to fix issue with dotted lines (#741)

• upgrade prawn-svg to enable linear gradients (#228)

• don’t attempt to parse text in literal cell (#816)

• warn if theme variable cannot be resolved; don’t replace (#801)

• number appendix subsections based on appendix number when doctype is book (#627)

• don’t add break hints to URI when using AFM font (#795)

• add rescue check for scratch document when state is not initialized

• allow page margin to be a single number; fixes regression introduced by #749

• check for margin as array, then as numeric, then as string

• extend version range for prawn-templates (#803)

• add missing part-title attribute to theming guide (#827)

• clarify in theming guide that variables are defined in document order

• clarify that the fallback font is only used when the primary font is a TrueType font

• add more information about prawn-gmagick to README

• fix warnings and incompatibility when using Ruby 1.9.3

• document in README how to install Asciidoctor PDF on Ruby 2.0.0

• enable Travis CI; configure CI-based deployment to RubyGems.org

issues resolved | git tag

1.5.0.alpha.15 (2017-03-27) - @mojavelinux

• fix compatibility with Prawn 2.2.0 (#775)

• add workaround for TTFunk bug when font table has empty data (#619, #651)

• take fallback font into account when calculating width of string (#651)

• fill and stroke bounds of sidebar across all pages (#259) (@TobiasHector)

• allow page margin to be set using pdf-page-margin attribute (#749)

• implement none, no-bullet and unstyled unordered list styles

• add dots to all levels in TOC if toc_dot_leader_levels is all

• use bold style for description list term by default (#776)

• always escape index term text (#761)

• don’t crash if color value on text span is invalid

• implement start line number for source listing (Rouge) (#752)

• enable "start inline" option when highlighting PHP (#755)

• persuade CodeRay to handle html+ source languages

• introduce stripes attribute to table to control zebra striping (#724)

• use theme key table_body_stripe_background_color to control color of table stripes (#724)

• allow theme to set style of table border and grid (#766)

• allow theme to set text transform on header cell in table body (#750)

• set top border width of first body row to match bottom border width of header row

• don’t add TOC if empty (#747)

• optimize code that generates outline level

• don’t recalculate header_cell_data for each row

• use slightly more efficient way to find Pygments lexer

• upgrade rouge to 2.0.7

• upgrade prawn-templates to 0.0.5

• revise information in theming guide pertaining to custom fonts

• document in README how to get full support for CJK languages

• document in theming guide that Asciidoctor PDF subsets font when embedding

• document that background images are scaled to fit bounds of page

• add note in theming guide about using double quoted strings

issues resolved | git tag

1.5.0.alpha.14 (2017-02-05) - @mojavelinux

• add support for AsciiDoc table cells (including nested tables) (#6)

• patch text cell to remove cursor advancement

• make header cell in body inherit styles from table head (#239)

• don’t crash if table is empty and cols are explicitly set (#610)

• fix vertical centering for cells in table head row

• implement converter for index (#386)

• record page number for index term when writing anchor (#639)

• support the underline and line-through roles on phrases (#339)

• allow printed URI to break at break opportunities (#563)

• don’t drop subsequent images after inline image fails to load

• don’t crash if inline image is an unsupported format; issue warning instead (#587)

• show alt text when image fails to embed (#693)

• always show block image caption even if image fails to embed

• delegate to method to handle missing image

• permit use of GIF image format if prawn-gmagick is available (#573)

• add support for image macros that have a data URI target (#318)

• don’t crash if format of image in running content is unrecognized

• only fit image within bounds of running content if contain option is set

• document fit attribute for image in running content

• fix alignment for SVG image in running content

• keep block image with caption (#690)

• place destination for block image on same page as image

• set color space when block image occurs on page by itself (#688)

• resize SVG to fit page (#691)

• backport resize method from prawn-svg and use it

• disable system font scan in Prawn SVG

• use character spacing to fine-tune width of placeholder for inline image (#686)

• fix duplicate inline image rendering (@fap-) (#388)

• constrain inline image to width of bounds

• add support for pdfwidth to inline images (@fap-) (#620)

• honor pdfwidth attribute for image in running content (#625)

• add support for absolute measurement units to scaledwidth attribute (#674)

• resize inline SVG without an explicit width (#684)

• resize inline image to fit within content height (#700)

• calculate height of inline image correctly in table cell (#295)

• fix bug in calculation when image overflows page (#708)

• simplify calculation of rendered width and height of images

• add square brackets around alt text for inline image

• don’t surround alt text of block image with non-breaking spaces

• specify width & height when embedding (inline) raster image to avoid recalc

• resize title logo image to keep on page (#714)

• don’t leave blank page when importing PDF page (#614)

• fix running content dimensions (#616)

• introduce document attribute to control default text alignment (#396)

• allow setting a default columns spec for running content on both recto and verso pages; set if not defined

• show example of center column alignment in default theme

• map dynamic section-title attribute in running content to current section if page has no section (#709)

• assign dynamic part-title attribute for use in running content (#596)

• don’t set dynamic chapter-title attribute in running content for preface unless doctype is book

• clear section and chapter title in running content when part changes (#910, #879)

• clear section title in running content when chapter changes (#910)

• assign page number label to each page (#641)

• don’t set dynamic page-number attribute in running content of pagenums is disabled

• allow toc title properties to be controlled by theme (#701)

• use correct number of dots when font style is applied to toc level (#621)

• allow theme to control which toc levels have dot leaders; default to 2-3 (#631)

• set font color of page number for parts in toc

• don’t crash when toc dot leader is empty string

• list preface with title in table of contents (#732)

• allow theme to apply text decoration to link text (#567)

• allow page layout to be controlled from document (#565)

• don’t crash if image in running content fails to embed (#728)

• treat abstract section as abstract block (#703)

• set example block background to white by default

• automatically wire unspecified code and conum font family to literal font family

• add support for background colors when highlighting code with Rouge

• add support underline style for token in Rouge theme (#665)

• drop background colors on strings in rouge pastie theme

• add support for image-based icons (#479) (@JBR69)

• preliminary support for vertical alignment of admonition icon/label

• allow side padding on admonition label to be controlled separately from admonition content

• add more control over vertical rule in admonition block (#601)

• allow theme to control font properties for admonition content (#592)

• only add lead role to first paragraph of preamble (#654)

• display poster image for video with link to video URI (#287)

• add link to audio file (#475)

• don’t drop anchor within text that overruns page (#638)

• display title for abstract (#582)

• display title for open block (#577)

• display block title on quote and verse blocks (#416)

• don’t draw border for quote/verse block on empty page or if border width is 0

• allow delimiter between author names on title page to be configured in theme

• coerce resolved value of content key in theme to String (#653)

• honor background color from Pygments theme

• set default inner/outer margins in base theme

• document missing glyph encoding warning in theming guide; minor rewording

• document how to configure fonts in SVG images (#739)

• document how to use Asciidoctor Mathematical to enable STEM support (#45)

• transform text containing multibyte characters (#363)

• document in theming guide how to transform unicode letters with Ruby < 2.4

• show unmodified text if text_transform is none (#584)

• make performance optimization to formatted text transform

• use reference_bounds instead of @margin_box to move past bottom

• handle negative bottom padding properly at page boundary

• use value of docdatetime & localdatetime attributes in PDF info (#590)

• use truncate_to_precision instead of round to truncate floats; map to native method in Ruby >= 2.4

• upgrade prawn-svg dependency to 0.26.x

• upgrade prawn-icon to 1.3.0

• document in the README how to use the autofit option on verbatim blocks

• clarify in README how inline image are sized

• clarify instructions in README about how to specify a page number range for printing

• document in theming guide how to define and apply a custom Rouge theme

• rename pdfmarks to pdfmarks; document pdfmark attribute in theming guide

• describe the quoted string value type in the theming guide

• add self-referencing anchor to each key prefix in theming guide

• document nonfacing option for sections (@jnerlich)

• fix documentation for toc_dot_leader_font_color in theming guide (@davidgamba)

• document that dot leader inherits font properties from toc category

• fill in missing defaults for keys in theming guide

• rewrite intro to Keys section in theming guide

• add keys for prose, menu, and conum categories to theming guide

• document outline_list_marker_font_color key in theming guide

• refactor measurement value helpers into module (#677)

• add reproducible flag to examples

• add inline ref and corresponding xref to chronicles example

• fix Ruby warnings

• update instructions and Gemfile config to use with Ruby 1.9.3

• configure build as the default rake task

issues resolved | git tag

1.5.0.alpha.13 (2016-09-19) - @mojavelinux

• Add support for mirror (recto/verso) margins and facing pages when media=prepress

• Add non-breaking hyphen glyph to built-in fonts so its intended behavior is honored (#462)

• Add page break before a book part (#329)

• Allow running (header/footer) content to be arranged in columns (#449)

• Allow font properties to be set per element in running content (#454)

• Prevent the SVG from modifying the document font (#494)

• Implement decorative border for multipage quote and verse blocks (#270, #557, #558)

• Encode anchors in hex that contain characters outside of ASCII range (#481, #301)

• Size the line number gutter correctly (accounting for width of largest line number) (#402)

• Allow theme to specify default value for pdfwidth attribute on image and document in README (#455)

• Fix front matter page numbering by adding page labels for all front matter pages in outline (#458)

• Allow image type to be specified explicitly using format attribute on image macro (#540)

• Add support for literal and verse table cell styles

• Preserve indentation in literal and verse table cells

• Preserve paragraph breaks in normal table cells

• Honor value of width attribute even when autowidth option is set on table (#519)

• Align table title to left edge of table, regardless of table alignment (#469)

• Add support for reversed option on ordered list (#491)

• Don’t drop whitespace in front of conum on final line of source block (#470)

• Add more control over position of elements on title page, including support for vw units (#418)

• Allow table caption position/side to be controlled by theme (#531)

• Use base_align setting from theme as default alignment for headings

• Resolve bare image-related attribute values relative to base_dir

• Only allow Prawn SVG to fetch remote images if the allow-uri-read attribute is set (#548)

• Introduce page_margin_inner and page_margin_outer keys to theme

• Start title page, toc, main content, parts, and chapters on recto page when media=prepress and doctype=book

• Allow default font style for table to be set via theme (table_font_style)

• Use correct default bullet per nested unordered list level (#529)

• Call start_new_part at start of each book part

• Delegate to layout_part_title method to layout part title

• Don’t match a special section as a chapter unless the doctype is book

• Fix list marker placement when list item touches bottom of page

• Eliminate excessive spacing between list items that contain nested lists

• Drop lines in running (header/footer) content with unresolved attributes (#522)

• Ensure start_new_chapter is always executed at a chapter transition (#524)

• Add support for root xref (e.g., included-doc.html) (#521)

• Prevent block from spilling to next page if there’s no more content (#361)

• Add support for px units to pdf-page-size attribute

• Fix parsing error when value of pdf-page-size attribute is unitless

• Don’t crash if table is empty (#480)

• Don’t crash when deleting last remaining page; don’t delete last page if empty (#317)

• Don’t orphan space between conums when extracting from verbatim block (#506)

• Properly scope attr and attr? lookups

• Rename internal page_start and page_end attributes to pdf-page-start and pdf-page-end, respectively

• Fix settings for table header cell

• Fix padding around content of quote block in default theme

• Read theme file with UTF-8 encoding (#533)

• Allow temporary image file to be deleted on Windows (#425)

• Don’t crash if theme file is empty (#551)

• Don’t crash if cover image can’t be read; warn instead

• Clarify in theming guide how to write numbers with 3 or more digits (#555)

• Document how inline images are sized

• Document how to disable default footer from theme

• Update explanation of WINANSI encoding behavior in theming guide

• Restore support for Ruby 1.9.3 (#528)

• Upgrade prawn-icon to 1.2.0 (which upgrades Font Awesome to 4.6.3)

• Upgrade prawn-svg to 0.25.2 (by way of more lenient version range)

• Fix Ruby warnings

• Document in README how image paths are resolved

• Configure README for better preview on GitHub

• Update chronicles example to modern AsciiDoc syntax; update content

issues resolved | git tag

1.5.0.alpha.12 (2016-08-05) - @mojavelinux

• Fix incompatibility with Rouge 2 source highlighter (#471)

• Declare rouge gem in Gemfile for use with examples

• Add option to make URLs visible in printed PDF using show-link-uri or media=print attributes (#435, #463)

• Document options for scaling an image (#453)

• Add support for images to span width of page (#424)

• Fix embedding of remote images; fix case when imagesdir is a URI (#467)

• Collapse non-significant whitespace (#465)

• Document how to inherit font size for a given heading level (#460)

• Decode character references in link URIs (#448)

• Use arrow as caret for menu path instead of pipe (#441)

• Document theme-related AsciiDoc attributes in theming guide (#428)

• Section title alignment should be customizable via theme (#343)

• Collapse all whitespace when normalizing (#355)

• Require space on either side of math operator to avoid interpreting dates as math equations (#429)

• Allow specifying a font style for a title on the title page (#423)

• Fix Prawn SVG to support arrow heads on lines (#75)

• Upgrade prawn-svg to 0.25.1

• Upgrade prawn-icon to 1.1.0

• Fix rendering of two images in header or footer (#421)

• Allow table grid color and width to be controlled by theme (@ntfc)

• Fix undefined local variable or method `dest_y' when adding auto-generated anchor to section (#419)

• SVG files that include image elements are not rendered correctly improvement (@AlexanderZobkov) (#414)

• Fix Prawn SVG to support currentColor keyword (#407)

• Parser should recognize up to 6 digit character references (#404)

• Properly convert a negative measurement value in theme

• Coerce percentage value to float instead of integer in theme

• Set minimum required Ruby version to 1.9.3 instead of 1.9

• Use title capitalization for section titles in theming guide

• Update and reorganize keys in theming guide; document numerous keys previous missing

• Add hints to theming guide about how to apply styles when using Maven or Gradle (@fwilhe)

• Fix gemspec to collect files when project is not a git repository or git is not available

issues resolved | git tag

1.5.0.alpha.11 (2016-01-05) - @mojavelinux

• Allow font style for first line of abstract to be controlled by theme (@nawroth) (#378)

• Add option to make builds reproducible (@bk2204) (#338)

• Set default page size to A4 (@stephenhay) (#319)

• Preprocess all hex color values (#381)

• Add note about preprocessing hex color values to theming guide (#381)

• Honor base font style (#373)

• Don’t fail to delete tmp file (#369)

• Lazy load icon fonts if detected (#364)

• Reduce heading line height in default theme (#351)

• Set default (fallback) SVG font from theme (#210)

• Expand last column to fit width of table (#372)

• Don’t cache resolved imagesdir attribute value

• Use fallback when merging icon data

• Defer to built-in caching in prawn-icon

• Document replacements and numeric character refs in header/footer content

• Document base_font_size_min setting in theming guide

• Document that page background colors & images do not currently work in AsciidoctorJ PDF

• Use failproof relative require logic in bin script

issues resolved | git tag

1.5.0.alpha.10 (2015-11-01) - @mojavelinux

• Allow admonition icon to be customized by theme (#121) (@jessedoyle)

• Update to prawn-icon 1.0.0 (#335) (@jessedoyle)

• Only generate the pdfmarks file if the pdfmarks attribute is set

• Honor table alignment (via align attribute or role) (#299)

• Use Hash for ViewerPreferences; set initial magnification (#303)

• Handle case when colpcwidth is unspecified (#314)

• Show title for lists (olist, ulist, dlist) (#316)

• Don’t attempt to add running content if document has no content pages

• Correctly calculate toc page range (#322)

• Don’t insert blank page after back cover (#328)

• Document theme key that sets sidebar padding (#344)

• Handle case when CodeRay passes nil text to text_token

issues resolved | git tag

1.5.0.alpha.9 (2015-08-02) - @mojavelinux

• Apply point conversion to image widths (#221)

• Restore missing glyphs in Noto Serif font; adds support for Cyrillic languages (#72, #99)

• Add support for the Rouge source highlighter (#247)

• Fix parsing of style attribute in inline markup when it contains spaces; fixes Pygments highlighting

• Expand tabs to spaces in source document (#236)

• Scale down SVG if width is wider than page (#242)

• Load a base theme with defaults for required keys (#132)

• Enable PDF page import using block image macro (#177)

• Restore method in PDF::Core needed to import PDF page (#237)

• Restore text rendering mode after PDF import (#251)

• Support writing to STDOUT and other IO objects (#254)

• Enable pagenums by default; allow noheader & nofooter to control running header/footer (#205)

• Implement explicit table width, including autowidth (#258)

• Handle conversion to windows-1252 more gracefully when using built-in (AFM) fonts (#290)

• Disable warning if using a built-in (AFM) font

• Remove use of rhythm theme keys from converter (#289)

• Allow font_style to be set on literal text (#291)

• Parse inline image macro value of page_background_image (#222)

• Allow theme to control header cells in table body (#272)

• Make line height in running header/footer configurable (#274)

• Normalize text content in running header/footer (#266)

• Modify vertical alignment setting for running header/footer (#264)

• Use table background color, even if white; upgrade to Prawn Table 0.2.2 (#214)

• Delete trailing content page if empty (#147)

• Fix dry run calculation of block height…​again (#215)

• Move footnotes to inline in a lighter shade

• Fix for JRuby 1.7 running in 2.0 mode

• Upgrade Prawn SVG to 0.21.0; fixes most badge SVGs

• Upgrade thread_safe gem

• Prevent crash if doc has no sections (@abatalev)

issues resolved | git tag

1.5.0.alpha.8 (2015-06-23) - @mojavelinux

• Support inline images (#9)

• Support link attribute on inline images (#209)

• Support inline icon macro (#97)

• Allow fine-grained control over image width (#76)

• Size conversion not yet applied to images on title page or in running header/footer

• Enable checklists (#181)

• Fix block height calculation when content is indented by propagating bounds to scratch document (#215)

• Don’t insert page break before content whose height exceeds a single page (#183)

• Dash border of literal/listing block at page boundary when broken across pages (#190)

• Don’t crash if toc entry is too long (#200)

• Add missing methods on OpenStruct to fix Rubinius compatibility (#81)

• Autofit font size in listing & literal blocks if autofit option is specified (#185)

• Support border style (e.g., double, dashed, dotted) (#196)

• Allow font color of outline list marker to be set by theme (#170)

• Allow use of hyphen in property names in the theme (#193)

• Only include table of contents if toc attribute is defined in header (#187)

• Improve parsing of pdf-page-size attribute

• Handle case in colist converter when previous block isn’t found (#173)

• Print Asciidoctor PDF version in CLI output

• Upgrade Prawn (< 3.0.0, >= 1.3.0) (#68)

• Upgrade Prawn SVG to 0.20.0

• Document gem installation in README (#112)

• Perform code cleanups (#195)

• Silence warning about toc block macro

• Add -example suffix to example file names

• Use CodeRay as syntax highlighter in examples (#207)

• Use proper font names in default them to support custom fonts in SVGs

• Rework parser to parse void elements

• Apply first line formatting correctly (no dropped words)

• Add support for text-center role on paragraphs

• Update theming guide

• Fix cross references in README

issues resolved | git tag

1.5.0.alpha.7 (2015-05-31) - @mojavelinux

• Add support for font-based icons (Jesse Doyle) (#15)

• Enable font fallback support (Rei)

• Support single value for font_fallbacks key in theme

• Reenable M+ 1p as the fallback font

• Add option to specify the background color for even table rows (Tord Heimdal) (#104)

• Add block title for paragraphs (David Gamba) (#67)

• Allow custom page size setting (Otavio Salvador) (#84)

• Fix xref to sections (#56)

• Fix xrefs to non-section content (#110)

• Allow theme to control layout of title page (#135)

• Allow theme to control style of table of contents (#167)

• Allow running header & footer content to be customized (#89)

• Tighten spacing between list items, make value configurable (#92)

• Support CMYK color values (#155)

• Add support for measurement values in theme (#156)

• Name per-level heading theme keys consistently (e.g., heading_h<n>_font_size) (#157)

• Preprocess theme data to allow # in front of hex colors (#158)

• Support linkable images (#51)

• Render table footer row (#123)

• Don’t crash if sectids attribute is disabled (#70)

• Support text transform in theme (uppercase / lowercase) (#138)

• Keep together shouldn’t create blank pages (#150)

• Properly resolve image target as system path (#87)

• Show warning when image cannot be read (#148)

• Allow page background image to be specified (#134)

• Support PDF format as cover page (#113)

• Accommodate numbered list with large numbers (#91)

• Position list marker correctly (#140)

• Allow theme to set font size & family of table cells (#139)

• Unencode character entities in document title (#136)

• Process callouts in listing & literal blocks (#31)

• Use :center to vertically align table cell (#118)

• Normalize endlines in table cell text (#116)

• Support setting page size via attribute (#65)

• Remove unused fonts; update version of NotoSerif font license file

• Remove Asciidoctor theme until we’re ready to fully implement

• Restore source highlighting when nested inside block

• Allow keys in theme to be nested to an arbitrary depth

• Assign width to border for blockquote if not specified in theme

• Add support for font family and style per heading level

• Implement basic converter for inline_indexterm

• Coerce negative values in theme if they slip through

• Use preserve_indentation in layout_prose

• Support remote images

• Add warning about unsupported gif format

• Abort cli if option parsing returns exit code

• Use SafeYAML to load theme files

• Handle transparent value for table background colors

issues resolved | git tag

1.5.0.alpha.6 (2014-11-28) - @mojavelinux

• Add pdf-fontsdir attributes to redefine fonts directory (andrey)

• Use require_relative to load Asciidoctor PDF in asciidoctor-pdf script (Ryan Bigg)

• Add example for specifying theme file (Leif Gruenwoldt) (#61)

• Add thread_safe gem to remove warning when registering converter

issues resolved | git tag

1.5.0.alpha.5 (2014-09-15) - @mojavelinux

• Allow chapter label to be controlled using the chapter-label attribute (#47)

• Prevent toc from overflowing content (#35)

• Fix page numbering for various permutations of front matter

• Don’t activate implicit header include processor by default (#48, #25)

• Draw box around listings and literal blocks than span more than one page (#11)

issues resolved | git tag

1.5.0.alpha.4 (2014-09-09) - @mojavelinux

• Fix yield statement so Asciidoctor PDF can be used with JRuby

• Document that the coderay gem must be installed to run the examples (#42)

issues resolved | git tag

1.5.0.alpha.3 (2014-09-08) - @mojavelinux

• Remove unnecessary dependencies (tilt, slim, thread_safe)

issues resolved | git tag

1.5.0.alpha.2 (2014-09-05) - @mojavelinux

• Add magic encoding header to source file so Asciidoctor PDF can be used with Ruby 1.9.3 (#33, #36)

issues resolved | git tag

1.5.0.alpha.1 (2014-09-04) - @mojavelinux

• Rewrite as proper Asciidoctor converter (#29)

• Initial pre-release

issues resolved | git tag