emacs/src, branch feature/igc3

Merge branch 'master' into feature/igc3

2026-04-04T18:59:46+00:00

; * src/image.c: Include gc-handles.h to fix the build.

2026-04-04T16:47:26+00:00

Fix use of special glyphs with faces from display-table

2026-04-04T15:22:05+00:00

* src/xdisp.c (produce_special_glyphs): Fix the case where the
display-table specifies a face for truncation/continuation glyphs.
(Bug#80693)

Use a gc-handle in struct anim_cache

2026-04-04T12:36:42+00:00

This seems simpler than the solution with exact roots.

* src/image.c (struct anim_cache): The spec field is now a gc-handle.
(anim_create_cache): Create a gc-handle.
(anim_cache_free, anim_cache_spec): New helpers.
(anim_prune_animation_cache, anim_get_animation_cache): Adjust to
gc-handle.
(mark_image_cache): Delete code for anim_cache.

Revert "Trace anim_cache"

2026-04-04T12:09:58+00:00

This reverts commit 32937a98d3791bd66434ef096804e65bb1532ff0.

Revert "Fix previous commit"

2026-04-04T12:09:53+00:00

This reverts commit 68610b58ec8b10056a140484dd83c53de8ee37a2.

; Improve documentation of 'make-temp-file'

2026-04-04T06:56:32+00:00

* doc/lispref/files.texi (Unique File Names):
* lisp/files.el (make-temp-file):
* src/fileio.c (Fmake_temp_file_internal): Doc fixes.

* src/igc.c (fix_glyph_pool): Use fix_glyph_array.

2026-04-03T16:35:03+00:00

Avoid remote references in fix_frame by making glyph_pools roots

2026-04-03T16:14:15+00:00

* src/igc.h (igc_alloc_glyph_pool): New prototype.
* src/igc.c (igc_alloc_glyph_pool, scan_glyph_pool): New.
(fix_frame): Don't trace the glyph_pools.
(fix_glyph_matrix): Should only be used for matrices with their own
glyphs.
* src/dispnew.c (new_glyph_matrix, free_glyph_matrix): Only create roots
for matrices without pool.
(new_glyph_pool, free_glyph_pool): Create and destroy roots for glyph
pools.

Revert "Minor reorganization"

2026-04-03T15:16:48+00:00

This reverts commit fb2474a32920b0d6a3d102738da7e3c4ff3cca3a.