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Further tweaks to sh-script \ #foo font locking

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* lisp/progmodes/sh-script.el (sh-syntax-propertize-function):
Tweak previous \ #foo change to work on all quoted characters, but
check that the backslash itself is not backslashed.  Regexp from
Stefan Monnier.
This commit is contained in:
Lars Ingebrigtsen 2019-10-31 13:07:37 +01:00
parent bdb33af39d
commit d630a047bb
1 changed files with 4 additions and 2 deletions
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6
lisp/progmodes/sh-script.el
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@ -1140,8 +1140,10 @@ subshells can nest."
;; beginning of a word. In the shell, words are separated by
;; metacharacters. The list of special chars is taken from
;; the single-unix spec of the shell command language (under
;; `quoting') but with `$' removed.
("\\(?:[^|&;<>(`\\\"' \t\n]\\|\\${\\|\\\\ \\)\\(#+\\)" (1 "_"))
;; `quoting') but with `$' removed. Also -- if there's something like
;; \ #foo, then that's not a comment, unless the backslash itself
;; is backslashed.
("\\(?:[^|&;<>(`\\\"' \t\n]\\|\\${\\|\\(?:[^\\]\\|^\\)\\\\\\(?:\\\\\\\\\\)*.\\)\\(#+\\)" (1 "_"))
;; In addition, `#' at the beginning of closed parentheses
;; does not start a comment if the parentheses are not isolated
;; by metacharacters, excluding [()].