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Closes <https://github.com/emilk/egui/issues/3466>.
* Revert "fix all clippy lints and remove them from allow list in cranky (#2419)"
This reverts commit 930ef2db38.
* Explain the cranky lints better
* Add Color32::gamma_multiply
* Remove unused pub use
* Remove non-existing crate category
* Improve color test with more lines
* Improve the look of thin lines, making them look weaker
Before they looked were too strong for the thickness.
* Use asserts for shader compilations
* Update changelogs
* split out ecolor crate
* split up ecolor crate in lots of modules
* add changelog notes
* add readme to ecolor
* put clippy::manual_range_contains on cranky allow list
* fix hex color issues
* doc fixes
* more hex_color fixes
* Document features
* Rename hex_color module to avoid warning
* Sort the feature names
* fix link in CHANGELOG.md
* better wording
Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>