Highlight zsh glob flags and qualifiers in sh-mode

* lisp/progmode/sh-script.el (sh-syntax-propertize-function):
Add regexps to highlight zsh glob flags and alternate qualifiers
without mistaking them for comments. (bug#19455).

diff --git a/lisp/progmodes/sh-script.el b/lisp/progmodes/sh-script.el
index 853a3500ee1e0d8c18995f9d97ae57bb73eefd09..aa6ada96cd4a308cefdbb7e96de3087155f524ad 100644 (file)
--- a/lisp/progmodes/sh-script.el
+++ b/lisp/progmodes/sh-script.el
@@ -1141,7 +1141,13 @@ subshells can nest."
     ;; 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 "_"))
+    ("\\(?:[^|&;<>(`\\\"' \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 [()].
+    ;; (e.g. `foo(#q/)' and `(#b)foo' in zsh)
+    ("[^|&;<>(`\\\"' \t\n](\\(#+\\)" (1 "_"))
+    ("(\\(#\\)[^)]+?)[^|&;<>)`\\\"' \t\n]" (1 "_"))
     ;; In a '...' the backslash is not escaping.
     ("\\(\\\\\\)'" (1 (sh-font-lock-backslash-quote)))
     ;; Make sure $@ and $? are correctly recognized as sexps.