GitLab

Temporarily inhibits GC if memory is xmalloc'ed, as the Lisp_Objects
in that memory area are unknown to GC.  Add comments.

(string_make_unibyte, Fmapconcat, Fmapcar): Use SAFE_ALLOCA.
(MAX_ALLOCA): Remove define.
(Fbase64_encode_region, Fbase64_encode_string)
(Fbase64_decode_region, Fbase64_decode_string): Use SAFE_ALLOCA.
(Fbase64_encode_region, Fbase64_encode_string): Fix potential
memory leak if encoding fails.

(Faset): Use SAFE_ALLOCA.

(safe_alloca_unwind): Add prototype.
(USE_SAFE_ALLOCA, SAFE_ALLOCA, SAFE_FREE): New macros.

Rewrite `image-library-alist' doc in active voice.

(Getting Started): mention this in a few other places.

(isearch-message): Display trailing space in special font
when search is failing.
(isearch-search-fun-function): Doc fix.

and unbinding of `case-fold-search' according to
`completion-ignore-case' around calls of string-match and
predicates, respectively.  Should give satisfactory performance
in all relevant cases.

* custom.texi (Customization): do.
* anti.texi (Antinews): do.
* abbrevs.texi (Defining Abbrevs): do.

info-lookup-symbol.

(custom-variable): Use it.

make cygwin a special case.