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.
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 theme to define the front and back cover images (#1584)
allow the front and back cover images to be defined using 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
don’t render index section if index is empty (i.e., there are no index entries)
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 select background per layout (#1570)
reset numbering of footnotes in each chapter; 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)
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-center
) on block image (#1609)
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
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 whitespace 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 confiure 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
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
do not crash if item in horizontal desciption list has no desc
do not crash if item in unordered desciption list has no desc and do not append subject stop to term
do not hyphenate a hyphen when hyphenation is enabled (#1562)
do not insert blank line in index when term is forced to break (#1665)
use more robust strategy for line height normalization that accounts for line contains only monospaced text (#1650)
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 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)
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 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)
prevent content of AsciiDoc table cell from overrunning content on subsequent pages (#1623)
log error message if table cell is truncated (#1626)
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)
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
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
show link to Vimeo video if allow-uri-read attribute is not set
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
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
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
short-circuit xreftext containing a circular reference path
drop support for versions of Asciidoctor < 2 (#1552)
drop support for Ruby < 2.5 (which includes JRuby 9.1) (#1681)
drop deprecated Pdf module alias in API (leaving only PDF)
remove deprecated "ascii" fonts; only bundle the more complete "subset" fonts
remove asciidoctor-pdf/converter and asciidoctor-pdf/version shim scripts; use asciidoctor/pdf/converter and asciidoctor/pdf/version instead
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)
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)
allow theme to control font color of first line of abstract
fix spacing after first line of indented paragraph (#1557)
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)
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
patch Prawn to fix incompatibilty 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
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
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
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)
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)
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
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)
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 specifiy 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)
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 (#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)
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)
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 prefered alternative to chapter-label
warn if the image referenced in the running content cannot be found (#731)
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 occurances 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 compatiblity w/ Asciidoctor 1.5.8
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
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
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
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.adoc) (#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
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 interpretting 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
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
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
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)
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
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)
Accomodate 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
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
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)
Fix yield statement so Asciidoctor PDF can be used with JRuby
Document that the coderay gem must be installed to run the examples (#42)
Add magic encoding header to source file so Asciidoctor PDF can be used with Ruby 1.9.3 (#33, #36)
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