* lisp/progmodes/ruby-mode.el (ruby-indent-beg-re): Add pieces from
ruby-beginning-of-indent, simplify, allow all keywords to have indentation before them. (ruby-beginning-of-indent): Adjust for above. Search until the found point is not inside a string or comment. (ruby-font-lock-keywords): Allow symbols to start with "@" character, give them higher priority than variables. (ruby-syntax-propertize-function) (ruby-font-lock-syntactic-keywords): Remove the "not comments" matchers. Expression expansions are not comments when inside a string, and there comment syntax status is irrelevant. (ruby-match-expression-expansion): New function. Check that expression expansion is inside a string, and it's not escaped. (ruby-font-lock-keywords): Use it. * test/automated/ruby-mode-tests.el: New tests (Bug#11613).
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