Minor backslash fixes in manuals and scripts

* Makefile.in (install-arch-indep):
* admin/charsets/compact.awk:
* admin/charsets/gb180302.awk (gb_to_index):
* admin/charsets/gb180304.awk (gb_to_index):
Avoid undefined behavior in Awk regular expression backslashes.
* doc/misc/efaq.texi (Matching parentheses):
Omit unnecessary backslashes.
* doc/misc/gnus-faq.texi (FAQ 5-8):
Avoid undefined behavior in suggested sed backslash usage.

2 files changed, 3 insertions, 3 deletions

diff --git a/doc/misc/efaq.texi b/doc/misc/efaq.texi
index 3e9109d0924..6557f4d017b 100644
--- a/doc/misc/efaq.texi
+++ b/doc/misc/efaq.texi
@@ -2089,8 +2089,8 @@ parenthesis, it simply inserts a % like normal.
 (defun match-paren (arg)
   "Go to the matching paren if on a paren; otherwise insert %."
   (interactive "p")
-  (cond ((looking-at "\\s\(") (forward-list 1) (backward-char 1))
-        ((looking-at "\\s\)") (forward-char 1) (backward-list 1))
+  (cond ((looking-at "\\s(") (forward-list 1) (backward-char 1))
+        ((looking-at "\\s)") (forward-char 1) (backward-list 1))
         (t (self-insert-command (or arg 1)))))
 @end lisp
 
diff --git a/doc/misc/gnus-faq.texi b/doc/misc/gnus-faq.texi
index 19c78bf56c6..26b9210b0dd 100644
--- a/doc/misc/gnus-faq.texi
+++ b/doc/misc/gnus-faq.texi
@@ -1528,7 +1528,7 @@ and create the actual X-face by saying
 
 @example
 cat file.xbm | xbm2ikon | compface > file.face
-cat file.face | sed 's/\\/\\\\/g;s/\"/\\\"/g;' > file.face.quoted
+cat file.face | sed 's/["\\]/\\&/g' > file.face.quoted
 @end example
 @noindent