travel/admin/node_modules/postcss-discard-duplicates/CHANGELOG.md

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# 4.0.0-rc.0
* Breaking: Drops support for Node 0.12, we now require at least Node 4.
* Breaking: Update PostCSS to 6.0.0.
# 2.1.0
* Now supports discarding duplicates irrespective of property order, better
support for legacy hacks & partial duplicate removal (thanks to @andyjansson).
# 2.0.2
* Major performance boost by lessening algorithmic complexity; each node is
now cached and the nested loop removed, meaning that each node is cast to a
string only once (thanks to @asztal).
# 2.0.1
* Now compiled with babel 6.
* Minor performance boost from exiting from the `dedupe` function if the node
has less than two child nodes.
# 2.0.0
* Upgraded to PostCSS 5.
# 1.2.1
* Fixes an integration test failure with cssnano; use PostCSS `each` rather
than native `forEach` (thanks to @TrySound).
# 1.2.0
* Improved duplicate detection (thanks to @TrySound).
# 1.1.6
* Improved performance by caching string representations of nodes, and
minimising stringifying as much as possible (thanks to @TrySound).
# 1.1.5
* Fixed an issue where comments were being deduplicated.
# 1.1.4
* Improved performance by making all AST iterations in a single pass.
# 1.1.3
* Improved documentation for compatibility with the plugin guidelines.
* Simplify main source code.
# 1.1.2
* Fixed an issue where declarations inside similar keyframes were being
discarded incorrectly.
# 1.1.1
* Fixed a bug where keyframe rules were being incorrectly discarded, if they had
the same declarations but different vendor prefixes.
# 1.1.0
* Now uses the PostCSS `4.1` plugin API.
# 1.0.0
* Initial release.