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[0.17]
* Improved rule limiting intraword `_` for emphasis and strong emphasis.
To prevent intra-word emphasis, we used to check to see if
the delimiter was followed/preceded by an ASCII alphanumeric.
We now do something more elegant: whereas an opening `*` must
be left-flanking, an opening `_` must be left-flanking *and
not right-flanking*. And so on for the other cases.
All the original tests passed except some tests with Russian
text with internal `_`, which formerly created emphasis but no
longer do with the new rule. These tests have been adjusted.
A few new test cases have been added to illustrate the rule.
* Added example with link break inside pointy braces (no link) (#295).
* Added spec example: loose list with blank line after fenced code (#285).
[0.16]
* Rewrote beginning of Entities section, clarifying that only
entities not in code blocks or spans are decoded.
* Removed defective Example 449 (#284).
* Fixed typo (#283).
* Added intended two-space hard-breaks in Examples 521, 523.
* Clarified that brackets in general don't take precedence over emph
(#258).
* Clarified that final newline is removed from paragraph content
(#176).
* Talk of "info string" rather than "attributes" for code blocks
(#262).
* Clarified precedence of code spans, HTML tags, autolinks (#259).
* Fixed a number of internal links and duplicate references in the spec.
* Linkify "info string" in spec.
* Use shortcut reference links when possible in spec.txt.
* cmark itself is now used to build spec.html, rather than pandoc.
* Use shortcut reference links when possible in spec.txt. This
relies on the new `spec2md.py` behavior of creating references
for all internal anchors.
* Moved some examples from block to inline HTML section.
* Added examples of non-comments (#264).
* Changed rule for comments to conform to HTML5 spec.
* Made clear that any sequence of characters is a valid document
(#266).
* Changed wording: "is preferred" -> "takes precedence."
* Regularized spelling of "non-space character" and added links
(#260).
* Use four spaces rather than five to show "four spaces is too much"
(#261).
[0.15]
* Fixed some typos with "left-" and "right-flanking" delimiters in the
section on emphasis and strong emphasis (#257).
[0.14]
* Clarified indented code blocks. Previously the spec said, wrongly,
that a blank line was needed between a paragraph and a following
code block. It is only needed between a code block and a following
paragraph (due to lazy continuations). (Thanks to textnut.)
* Added definitions of whitespace, unicode whitespace, punctuation,
ASCII punctuation (#108).
* Improved rules for emphasis and strong emphasis. This improves
parsing of emphasis around punctuation. For background see
<http://talk.commonmark.org/t/903/6>. The basic idea of the change
is that if the delimiter is part of a delimiter clump that has
punctuation to the left and a normal character (non-space,
non-punctuation) to the right, it can only be an opener. If it has
punctuation to the right and a normal character (non-space,
non-punctuation) to the left, it can only be a closer. This handles
cases like
**Gomphocarpus (*Gomphocarpus physocarpus*, syn. *Asclepias
physocarpa*)**
and
**foo "*bar*" foo**
better than before.
* Added test case for link-in-link-in-image (#252).
* Fixed broken internal references.
* Added another example of an unclarity in the canonical Markdown
syntax description.
* Reworded the principle of uniformity to be more general; it applies
to all container blocks, not just list items.
* Added a rule for empty list items (#242).
* Clarified precedence of empty list items over setext header lines
(#95).
* Added an example with two blank lines in fenced code in a sublist (#180).
* Added an explicit CC-BY-SA license to the spec (#55).
[0.13]
* Updated path of test program.
* Use terminology "plain textual content" instead of "string."
* Added condition that conforming parsers strip or replace NULL characters.
* Changed Example 196 to reflect the spec's rules. It should not be a loose
list as it has no blank lines.
* Adjusted semantically insignificant formatting of HTML output.
* Added example to spec of shortcut link with following space (#214).
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