pegjs/docs/changelogs/v0.4.md

See commit history for a full list of changes.

v0.4 (April 17, 2010)

Big Changes

• Improved IE compatibility — IE6+ is now fully supported.
• Generated parsers are now standalone (no runtime is required).
• Added example grammars for JavaScript, CSS and JSON.
• Added a benchmark suite.
• Implemented negative character classes (e.g. [^a-z]).
• Project moved from BitBucket to GitHub.

Small Changes

• Code generated for the character classes is now regexp-based (= simpler and more scalable).
• Added \uFEFF (BOM) to the definition of whitespace in the metagrammar.
• When building a parser, left-recursive rules (both direct and indirect) are reported as errors.
• When building a parser, missing rules are reported as errors.
• Expected items in the error messages do not contain duplicates and they are sorted.
• Fixed several bugs in the example arithmetic's grammar.
• Converted README to GitHub Flavored Markdown and improved it.
• Added CHANGELOG.
• Internal code improvements.