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Improve Ruby 1.9-style keyword keys highlighting

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* lisp/progmodes/ruby-mode.el (ruby-font-lock-keywords):
Handle required keyword arguments (bug#21367).
And highlight the colon together with the name.
This commit is contained in:
Dmitry Gutov 2015-11-15 07:25:19 +02:00
parent a4c6f55b9a
commit 3a1a220b02
1 changed files with 3 additions and 2 deletions
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5
lisp/progmodes/ruby-mode.el
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@ -2193,8 +2193,9 @@ See `font-lock-syntax-table'.")
;; Constants.
("\\(?:\\_<\\|::\\)\\([A-Z]+\\(\\w\\|_\\)*\\)"
1 (unless (eq ?\( (char-after)) font-lock-type-face))
("\\(^\\s *\\|[[{(,]\\s *\\|\\sw\\s +\\)\\(\\(\\sw\\|_\\)+\\):[^:]"
(2 font-lock-constant-face))
;; Ruby 1.9-style symbol hash keys.
("\\(?:^\\s *\\|[[{(,]\\s *\\|\\sw\\s +\\)\\(\\(\\sw\\|_\\)+:\\)[^:]"
(1 (progn (forward-char -1) font-lock-constant-face)))
;; Conversion methods on Kernel.
(,(concat ruby-font-lock-keyword-beg-re
(regexp-opt '("Array" "Complex" "Float" "Hash"