7.0.5

- Fixed: reduction

# 7.0.4

- Fixed: strips away important factors from multiplications in calc() (#107)

# 7.0.3

- Fixed: substracted css-variable from zero (#111)

# 7.0.2

- Fixed: incorrect reduction of subtraction from zero (#88)
- Fixed: doesn't remove calc for single function
- Fixed: relax parser on unknown units (#76)
- Fixed: handle numbers with exponen composed (#83)
- Fixed: handle plus sign before value (#79)
- Fixed: better handle precision for nested calc (#75)
- Fixed: properly handle nested add and sub expression inside sub expression (#64)
- Fixed: handle uppercase units and functions (#71)
- Fixed: do not break `calc` with single var (cssnano/cssnano#725)
- Updated: `postcss` to 7.0.27 (patch)
- Updated: `postcss-selector-parser` to 6.0.2
- Updated: `postcss-value-parser` to 4.0.2

# 7.0.1

- Updated: `postcss` to 7.0.2 (patch)
- Updated: `postcss-selector-parser` to 5.0.0-rc.4 (patch)
- Updated: `postcss-value-parser` to 3.3.1 (patch)

# 7.0.0

- Changed: Updated postcss-selector-parser to version 5.0.0-rc.3
- Changed: Dropped reduce-css-calc as a dependency
- Fixed: Support constant() and env() (#42, #48)
- Fixed: Support custom properties with "calc" in its name (#50)
- Fixed: Remove unnecessary whitespace around `*` and `/` (cssnano#625)
- Fixed: Arithmetic bugs around subtraction (#49)
- Fixed: Handling of nested calc statements (reduce-css-calc#49)
- Fixed: Bugs regarding complex calculations (reduce-cs-calc#45)
- Fixed: `100%` incorrectly being transformed to `1` (reduce-css-calc#44)
- Added: support for case-insensitive calc statements

# 6.0.2 - 2018-09-25

- Fixed: use PostCSS 7 (thanks to @douglasduteil)

# 6.0.1 - 2017-10-10

- Fixed: throwing error for attribute selectors without a value

# 6.0.0 - 2017-05-08

- Breaking: Updated PostCSS from v5.x to v6.x, and reduce-css-calc from v1.x to v2.x (thanks to @andyjansson).

# 5.3.1 - 2016-08-22

- Fixed: avoid security issue related to `reduce-css-calc@< 1.2.4`.

# 5.3.0 - 2016-07-11

- Added: support for selector transformation via `selectors` option. (#29 - @uniquegestaltung)

# 5.2.1 - 2016-04-10

- Fixed: support for multiline value (#27)

# 5.2.0 - 2016-01-08

- Added: "mediaQueries" option for `@media` support (#22)

# 5.1.0 - 2016-01-07

- Added: "warnWhenCannotResolve" option to warn when calc() are not reduced to a single value (#20)

# 5.0.0 - 2015-08-25

- Removed: compatibility with postcss v4.x
- Added: compatibility with postcss v5.x

# 4.1.0 - 2015-04-09

- Added: compatibility with postcss v4.1.x (#12)

# 4.0.1 - 2015-04-09

- Fixed: `preserve` option does not create duplicated values (#7)

# 4.0.0 - 2015-01-26

- Added: compatibility with postcss v4.x
- Changed: partial compatiblity with postcss v3.x (stack traces have lost filename)

# 3.0.0 - 2014-11-24

- Added: GNU like exceptions (#4)
- Added: `precision` option (#5)
- Added: `preserve` option (#6)

# 2.1.0 - 2014-10-15

- Added: source of the error (gnu like message) (fix #3)

# 2.0.1 - 2014-08-10

- Fixed: correctly ignore unrecognized values (fix #2)

# 2.0.0 - 2014-08-06

- Changed: Plugin now return a function to have a consistent api. (ref 1, ref 2)

# 1.0.0 - 2014-08-04

✨ First release based on rework-calc v1.1.0 (code mainly exported to `reduce-css-calc`)