github asciidoctor/asciidoctor v1.5.6

This iteration began as a minor release and morphed into one of the most important and substantial releases to date. This release brings several landmark features, major performance improvements (25% increase in speed), critical bug fixes, and lots of important internal restructuring.

The most recognizable new feature is surely the formal cross reference text (e.g., Figure 1, “Architecture”). To support this feature, the references table is now populated with nodes instead of just reference text, making it easier for extensions to use this information. Additionally, bibliography anchors now support reference text and more warnings have been added if references are invalid.

There are also major enhancements to partial includes, which can now be used to exclude in addition to including tagged regions. In the area of security, rel="noopener" attribute is added to all links that target _blank. Block extensions now have access to the context of the block that was matched via the cloaked-context attribute. In the bug category, complex content on callout list items is retained in HTML output, the operation logic for ifndef has been made compliant, lines that shouldn't be recognized aren't, and substitutions are applied more consistently and accurately.

But that's just a partial summary. To get the whole story, check out the changelog below.

Distributions

Asciidoctor is also packaged for Fedora, Debian, Ubuntu, Mint, Alpine Linux, and OpenSUSE. Please use the system's package manager to install the package named asciidoctor.

Changelog

Enhancements

  • use custom cross reference text if xrefstyle attribute is set (full, short, basic) (#858, #1132)
  • store referenceable nodes under refs key in document catalog (PR #2220)
  • apply reftext substitutions (specialchars, quotes, replacements) to value returned by reftext method (PR #2220)
  • add xreftext method to AbstractBlock, Section, and Inline to produce formatted text for xref (PR #2220)
  • introduce attributes chapter-refsig, section-refsig, and appendix-refsig to set reference signifier for chapter, section, and appendix, respectively (PR #2220)
  • add rel="noopener" to links that target _blank or when noopener option is set (#2071)
  • add option to exclude tags when including a file (#1516)
  • add meta for shortcut icon if favicon attribute is set (#1574)
  • allow use of linenums option to enable line numbers on a source block (#1981)
  • allow extension groups to be unregistered individually (#1701)
  • catalog bibliography anchors and capture reftext (#560, #1562)
  • automatically add bibliography style to unordered list in bibliography section (#1924)
  • disable startinline option when highlighting PHP if mixed option is set on source block (PR #2015) (@ricpelo)
  • configure Slim to resolve includes in specified template dirs (#2214)
  • dump manpage when -h manpage flag is passed to CLI (#2302)
  • add resolves_attributes method to DSL for macros (#2122)
  • invoke convert on result of custom inline macro if value is an inline node (#2132)
  • resolve attributes for custom short inline macros if requested (#1797)
  • add convenience method to create section from extension; use same initialization logic as parser (#1957)
  • add handles? method to DSL for IncludeProcessor (#2119)
  • pass through preload attribute to video tag (#2046)
  • add start and end times for audio element (#1930)
  • set localyear and docyear attributes (#1372)
  • pass cloaked context to block extension via cloaked-context attribute (#1606)
  • add support for covers in DocBook 5 converter (#1939)
  • accept named pipe (fifo) as the input file (#1948)
  • add AbstractBlock#next_adjacent_block helper method
  • rename Document#references to catalog; alias references to catalog (PR #2237)
  • rename extensions_registry option to extension_registry
  • rename Extensions.build_registry method to create
  • autoload extensions source file when Asciidoctor::Extensions is referenced (PR #2114, PR #2312)
  • apply default_attrs to custom inline macro (PR #2127)
  • allow tab separator for table to be specified using \t (#2073)
  • add Cell#text= method

Improvements

  • significant improvements to performance, especially in parser and substitutors
  • process include directive inside text of short form preprocessor conditional (#2146)
  • add support for include tags in languages that only support only circumfix comments (#1729)
  • allow spaces in target of block image; target must start and end with non-space (#1943)
  • add warning in verbose mode if xref is not found (@fap-) (#2268)
  • add warning if duplicate ID is detected (#2244)
  • validate that output file will not overwrite input file (#1956)
  • include docfile in warning when stylesheet cannot be read (#2089)
  • warn if doctype=inline is used and block has unexpected content model (#1890)
  • set built-in docfilesuffix attribute (#1673)
  • make sourcemap field on Document read/write (#1916)
  • allow target of xref to begin with attribute reference (#2007)
  • allow target of xref to be expressed with leading # (#1546)
  • allow kbd and btn macros to wrap across multiple lines (#2249)
  • allow menu macro to span multiple lines; unescape escaped closing bracket
  • make menu macro less greedy
  • allow ampersand to be used as the first character of the first segment of a menu (#2171)
  • enclose menu caret in HTML tag (#2165)
  • use black text for menu reference; tighten word spacing (#2148)
  • fix parsing of keys in kbd macro (PR #2222)
  • add support for the window option for the link on a block image (#2172)
  • set correct level for special sections in parser (#1261)
  • always set numbered property on appendix to true
  • store number for formal block on node (#2208)
  • set sectname of header section to header (#1996)
  • add the remove_attr method to AbstractNode (#2227)
  • use empty string as default value for set_attr method (#1967)
  • make start argument to system_path optional (#1965)
  • allow API to control subs applied to ListItem text (#2035)
  • allow text of ListItem to be assigned (in an extension) (#2033)
  • make generate_id method on section a static method (#1929)
  • validate name of custom inline macro; cache inline macro rx (#2136)
  • align number in conum list to top by default (#1999)
  • fix CSS positioning of interactive checkbox (#1840)
  • fix indentation of list items when markers are disabled (none, no-bullet, unnumbered, unstyled) (PR #2286)
  • instruct icon to inherit cursor if inside a link
  • close all files opened internally (#1897)
  • be more precise about splitting kbd characters (#1660)
  • rename limit method on String to limit_bytesize (#1889)
  • leverage Ruby's match? method to speed up non-capturing regexps (PR #1938)
  • preserve inline break in manpages (@letheed)
  • check for presence of SOURCE_DATE_EPOCH instead of value; fail if value is malformed
  • add Rows#by_section method to return table sections (#2219)
  • cache which template engines have been loaded to avoid unnecessary processing
  • rename assign_index method to enumerate_section (PR #2242)
  • don't process double quotes in xref macro (PR #2241)
  • optimize attr and attr? methods (PR #2232)
  • use IO.write instead of File.open w/ block; backport for Opal
  • backport IO.binread to Ruby 1.8.7 to avoid runtime check
  • cache backend and doctype values on document
  • allow normalize option to be set on PreprocessorReader; change default to false
  • move regular expression constants for Opal to Asciidoctor.js build (PR #2070)
  • add missing comma in warning message for callout list item out of sequence
  • combine start_with? / end_with? checks into a single method call
  • rename UriTerminator constant to UriTerminatorRx
  • promote subs to top-level constants; freeze arrays
  • rename PASS_SUBS constant to NONE_SUBS
  • rename EOL constant to LF (retain EOL as alias)
  • rename macro regexp constants so name follows type (e.g., InlineImageMacroRx)

Compliance

  • retain block content in items of callout list when converting to HTML and man page (#1478)
  • only substitute specialchars for content in literal table cells (#1912)
  • fix operator logic for ifndef directive with multiple attributes (#1983)
  • only recognize uniform underline for setext section title (#2083)
  • don't match headings with mixed leading characters (#2074)
  • fix layout break from matching lines it shouldn't
  • fix behavior of attribute substitution in docinfo content (PR #2296)
  • encode spaces in URI (PR #2274)
  • treat empty string as a valid block title
  • preprocess lines of a simple block (#1923)
  • don't drop trailing blank lines when splitting source into lines (PR #2045)
  • only drop known AsciiDoc extensions from the inter-document xref path (#2217)
  • don't number special sections or special subsections by default (#2234)
  • assign sectname based on name of manuscript element (#2206)
  • honor leveloffset when resolving implicit doctitle (#2140)
  • permit leading, trailing, and repeat operators in target of preprocessor conditional (PR #2279)
  • don't match link macro in block form (i.e., has two colons after prefix) (#2202)
  • do not match bibliography anchor that begins with digit (#2247)
  • use \t instead of \p{Blank} to match spaces (#2204)
  • allow named entity to have trailing digits (e.g., there4) (#2144)
  • only assign style to image alt text if alt text is not specified
  • substitute replacements in non-generated alt text of block image (PR #2285)
  • keep track of whether alt text is auto-generated by assigning default-alt attribute (PR #2287)
  • suppress info element in docbook output if noheader attribute is set (#2155)
  • preserve leading indentation in literal and verse table cells (#2037)
  • preserve whitespace in literal and verse table cells (#2029)
  • set doctype-related attributes in AsciiDoc table cell (#2159)
  • fix comparison logic when preprocessing first line of AsciiDoc table cell
  • set filetype to man when backend is manpage (#2055)
  • respect image scaling in DocBook converter (#1059)
  • share counters between AsciiDoc table cells and main document (#1942)
  • generate ID for floating title from converted title (#2016)
  • split "treeprocessor" into two words; add aliases for compatibility (PR #2179)
  • allow trailing hyphen in attribute name used in attribute reference
  • allow escaped closing bracket in text of xref macro
  • process pass inline macro with empty text; invert extract logic
  • drop support for reftext document attribute (must be specified on node)
  • fix compliance with Haml >= 5 (load Haml eagerly; remove ugly option)
  • don't match inline image macro if target contains endline or leading or trailing spaces
  • assign id instead of target on ref/bibref node (PR #2307)
  • remove regexp hacks for Opal (#2110)
  • drop outdated quoting exceptions for Opal (PR #2081)

Bug fixes

  • don't allow table borders to cascade to nested tables (#2151)
  • escape special characters in reftext of anchor (#1694)
  • sanitize content of authors meta tag in HTML output (#2112)
  • fix stray marks added when unescaping unconstrained passthroughs (PR #2079)
  • don't confuse escaped quotes in CSV data as enclosing quotes (#2008)
  • don't activate implicit header if cell in first line of table contains a blank line (#1284, #644)
  • allow compat-mode in AsciiDoc table cell to inherit from parent document (#2153)
  • manify all normal table cell content (head, body, foot) in manpage output
  • add missing newline after table caption in manpage output (#2253)
  • correctly format block title on video in manpage output
  • don't crash if substitution list resolves to nil (#2183)
  • fail with informative message if converter cannot be resolved (#2161)
  • fix regression of not matching short form of custom block macro
  • encode double quotes in image alt text when used in an attribute (#2061)
  • encode double quote and strip XML tags in value of xreflabel attribute in DocBook converter (PR #2220)
  • fix typo in base64 data (PR #2094) (@mogztter)
  • permit pass macro to surround a multi-line attribute value with hard line breaks (#2211)
  • fix sequential inline anchor macros with empty reftext (#1689)
  • don't mangle compound names when document has multiple authors (#663)
  • don't drop last line of verbatim block if it contains only a callout number (#2043)
  • prevent leading & trailing round brackets from getting caught in indexterm (#1581)
  • remove cached title when title is set on block (#2022)
  • remove max-width on the callout number icon (#1895)
  • eagerly add hljs class for highlight.js (#2221)
  • fix SOURCE_DATE_EPOCH lookup in Opal
  • fix paths with file URI scheme are inevitably absolute (PR #1925) (@mogztter)
  • only resolve file URLs when JavaScript IO module is xmlhttprequest (PR #1898) (@mogztter)
  • fix formatting of video title in manpage converter
  • don't increment line number if peek_lines overruns buffer (fixes some cases when line number is off)
  • freeze extension processor instance, not class
  • fix numbering bug in reindex_sections
  • handle cases when there are no lines for include directive to select

Documentation

  • enable admonition icons in README when displayed on GitHub
  • add German translation of chapter-label (PR #1920) (@fap-)
  • add Ukrainian translation of built-in attributes (PR #1955) (@hedrok)
  • add Norwegian Nynorsk translation; updated Norwegian Bokmål translation of built-in attributes (PR #2142) (@huftis)
  • add Polish translation of built-in attributes (PR #2131) (@ldziedziul)
  • add Romanian translation of built-in attributes (PR #2125) (@vitaliel)
  • fix Japanese translation of built-in attributes (PR #2116) (@haradats)
  • add Bahasa Indonesia translation of built-in labels (@triyanwn)

Build / Infrastructure

  • upgrade highlight.js to 9.12.0 (#1652)
  • include entire test suite in gem (PR #1952) (@voxik)
  • upgrade Slim development dependency to 3.0.x (PR #1953) (@voxik)
  • upgrade Haml development dependency to 5.0.x
  • upgrade Nokogiri to 1.6.x (except on Ruby 1.8) (PR #1213)
  • add Ruby 2.4 to CI test matrix (PR #1980)
  • upgrade cucumber and JRuby in CI build (PR #2005)
  • fix reference to documentation in attributes.adoc (PR #1901) (@stonio)
  • trap and verify all warnings when tests are run with warnings enabled
  • set default task in build to test:all
  • configure run-tests.sh script to run all tests
  • configure feature tests to only show progress
  • configure Slim in feature tests to use html as format instead of deprecated html5
  • lock version of yard to fix invalid byte sequence in Ruby 1.9.3
  • modify rake build to trigger dependent builds (specifically, Asciidoctor.js) (@mogztter) (PR #2305)

Release meta

Released on: 2017-07-12
Released by: @mojavelinux
Release beer: Stickee Monkey (2017)

Logs: resolved issues | full diff

Credits

Thanks to the following people who contributed to this release:

@graphitefriction, @fap-, @vogella, @shahryareiv, @ricpelo, @mattadamson, @ceefour, @filiphr, @eikerethmeier, @robertpanzer, @gpakosz, @janicecmt, @cristoper, @jjaderberg, @getreu, @oncletom, @hsablonniere, @nerk, @megathaum, @k-mack, @jmini, @indigo423, @davidgamba, @sanmai-nl, @github-login, @deepaksingla14, @farleylai, @prudhomm, @littleancientforestkami, @zaxebo1, @lefou, @msc-, @jirutka, @elextr, @wolandscat, @lordofthejars, @lodestone, @asknet, @iandarwin, @jexp, @voxik, @kito99, @tduchateau, @owenh000, @mogztter, @jponge, @nathany, @jxxcarlson, @ramsey, @edoverflow, @pavs, @otavio, @rahmanusta, @sandersk, @hedrok, @huftis, @ldziedziul, @vitaliel, @haradats, @triyanwn, @stonio, and @letheed

Special thanks goes to @vogella and @fap-, both for their financial support of the project as well as critical insight and important patches to make the custom cross reference text feature happen.

A very special thanks to all the awesome supporters of the Asciidoctor Salt campaign who provided critical funding for the development of this release and the ongoing development of the project.

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