Don't treat ' as a string delimiter in RPM spec files

' is commonly used as an apostrophe in the prose sections of spec
files, which was erroneously highlighted as strings. See for example
http://kmymoney2.sourceforge.net/phb/rpm-example.html

* lisp/progmodes/sh-script.el (sh-mode-syntax-table): Treat ' as
  punctuation in RPM spec files.

1 files changed, 4 insertions, 1 deletions

diff --git a/lisp/progmodes/sh-script.el b/lisp/progmodes/sh-script.el
index db965c5a58c..35b555e6879 100644
--- a/lisp/progmodes/sh-script.el
+++ b/lisp/progmodes/sh-script.el
@@ -492,7 +492,10 @@ name symbol."
 This is buffer-local in every such buffer.")
 
 (defvar sh-mode-syntax-table-input
-  '((sh . nil))
+  `((sh . nil)
+    ;; Treat ' as punctuation rather than a string delimiter, as RPM
+    ;; files often contain prose with apostrophes.
+    (rpm . (,sh-mode-syntax-table ?\' ".")))
   "Syntax-table used in Shell-Script mode.  See `sh-feature'.")
 
 (defvar sh-mode-map