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.

1 files changed, 2 insertions, 2 deletions

diff --git a/Makefile.in b/Makefile.in
index 3cfbe5704ff..4ee84f96ad6 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -593,8 +593,8 @@ install-arch-indep: lisp install-info install-man ${INSTALL_ARCH_INDEP_EXTRA}
               rm -f $${subdir}/.gitignore ; \
               rm -f $${subdir}/.arch-inventory ; \
               rm -f $${subdir}/.DS_Store ; \
-              rm -f $${subdir}/\#* ; \
-              rm -f $${subdir}/.\#* ; \
+              rm -f $${subdir}/#* ; \
+              rm -f $${subdir}/.#* ; \
               rm -f $${subdir}/*~ ; \
               rm -f $${subdir}/*.orig ; \
               rm -f $${subdir}/ChangeLog* ; \