(check-texinfo): Use literal `{' only in brackets, i.e., [{] or [}],

to avoid triggering an error from Solaris 2.6's grep.

diff --git a/doc/Makefile.am b/doc/Makefile.am
index 74ff5c8959048f11021ea41ff5051c12284ebd9d..b9f0995500a07fec162067076b106385a9af5005 100644 (file)
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -40,14 +40,14 @@ check-texinfo:
        $(EGREP) '$(_W)NUL$(W_)' $(srcdir)/*.texi && fail=1; \
        grep '\$$@"' $(srcdir)/*.texi && fail=1; \
        grep -n '[^[:punct:]]@footnote' $(srcdir)/*.texi && fail=1; \
-       grep -n filename $(srcdir)/*.texi|$(EGREP) -v 'setfilename|{filename}' \
+       grep -n filename $(srcdir)/*.texi|$(EGREP) -v 'setfilename|[{]filename[}]' \
          && fail=1; \
        $(PERL) -e 1 2> /dev/null && { $(PERL) -ne \
          '/\bPOSIX\b/ && !/\@acronym{POSIX}/ && !/^\* / || /{posix}/ and print,exit 1' \
          $(srcdir)/*.texi 2> /dev/null || fail=1; }; \
        $(EGREP) -iw 'builtins?' $(srcdir)/*.texi && fail=1; \
        $(EGREP) -iw 'path(name)?s?' $(srcdir)/*.texi \
-         | $(EGREP) -v '@vindex PATH$$|@env{PATH}' && fail=1; \
+         | $(EGREP) -v '@vindex PATH$$|@env[{]PATH[}]' && fail=1; \
        exit $$fail
 
 check: check-texinfo