* src/raster/ftraster.c (Render_Single_Pass): Remove dead code.
[base] Add trace level to logging output.
[smooth, raster] Fix up and align error codes.
[smooth, raster] Remove synonymous error macros.
fterrors.h: Fix documentation extraction of `FT_Error_String`.
[sfnt] s/PaintTransformed/PaintTransform/, s/transformed/transform/.
Move 'COLR' API to `ftcolor.h`.
freetype.h: Mark 'COLR' v1 API as experimental.
ftver.rc: Update copyright year.
[truetype] Fix integer overflow.
Prevent hinting if there are too many segments.
* src/sdf/ftsdfrend.c (ft_(b)sdf_render): Do not FT_ERROR routinely.
Add `ChangeLog` entries for last two commits.
[meson] Add first regression test to FreeType
[type42] Fix new memory leak.
[psaux] Fix another assertion.
* src/truetype/ttinterp.c (TT_RunIns): Optimize tracing.
[sdf] Fix SDF positioning.
More various documentation improvements and fixes.
Various documentation improvements and fixes.
Fix 'devel' build for COLR 'v1'.
[sfnt] Sanitize cmap4 table better.
[sfnt] Pointer validity check when reading COLR 'v1' layers
* src/sdf/ftsdfcommon.c: Fix inclusion of header files.
[sdf] Make `make multi` work.
[sdf] Formatting and improved comments.
[sdf] Use 8 bits for final SDF output instead of 16bits.
[sfnt] Fix fallout from 2021-05-29 change.
* src/autofit/aflatin.c (af_latin_metrics_scale_dim): Fix tracing.
[psaux] Fix MSVC compiler warnings.
Typos in previous commit.
Fix compilation errors and (some) warnings for clang++.
[build] Allow overriding of `ANSIFLAGS` for GNU make build.
[type42] Fix auto-hinting.
[psaux] Guard and trace AFM kern data allocation.
.gitignore: Add `subprojects` directory, fix some patterns.
* meson.build (ft2_public_headers): Add missing `ftcid.h'.
[type42] Avoid some memory zeroing.
[CMake] Update dependency finders.
[gzip] Use exact type for `ft_gzip_alloc` and `ft_gzip_free`.
Prioritize the anti-aliasing renderer module.
[sfnt] Additional guards on the POST table.
[psaux] Use doubling allocation strategy for CF2_ArrStack.
* src/smooth/ftgrays.c (FT_MAX_GRAY_SPANS): Increase from 10 to 16.
* src/smooth/ftgrays.c (FT_GRAY_SET): Adjust for better code.
[smooth] Faster bitmap sweeping.
* src/smooth/ftgrays.c (gray_hline): Simplify even-odd computations.
[type1] Avoid MM memory zeroing.
* src/bdf/bdflib.c (_bdf_list_ensure): Tweak allocation macro.
* src/psaux/psobjs.c (ps_parser_load_field): Tweak allocation macro.
* src/sfnt/sfobjs.c (sfnt_load_face): Tweak allocation macro.
* src/cid/cidload.c (cid_read_subrs): Tweak allocation macro.
* src/base/ftrfork.c (FT_Raccess_Get_DataOffsets): Tweak allocation.
[cff,psaux] Avoid memory zeroing (contd.).
* src/cid/cidload.c (cid_hex_to_binary): Improve return value.
[sfnt] Streamline POST format 2.0 handing.
[bdf,pcf] Avoid memory zeroing (contd.).
* src/cid/cidload.c (cid_read_subrs): Tweak allocaton macro.
[sfnt] Avoid some memory zeroing.
* src/sfnt/ttpost.c (load_format_{20,25}): Tweak allocaton macros.
* src/sfnt/pngshim.c (Load_SBit_Png): Tweak allocaton macro.
[truetype] Avoid some memory zeroing.
[woff2] Avoid some memory zeroing.
* src/gzip/ftgzip.c (ft_gzip_alloc): Zero out memory again.
[lzw] Preserve decompression stack when relocating to heap.
* src/cid/cidgload.c (cid_load_glyph): Restore the glyph_length check.
* src/psmodule.c (ps_unicodes_init): Ignore empty glyph names.
* src/sfnt/sfobjs.c (sfnt_init_face): Revert macro change.
[cff] Avoid some memory zeroing.
[pfr] Avoid some memory zeroing.
* src/winfonts/winfnt.c (FNT_Face_Init): Tweak memory macro.
[psaux,psnames] Avoid some memory zeroing.
[base] Avoid some memory zeroing.
[bdf,pcf] Avoid some memory zeroing.
* builds/meson/process_ftoption_h.py: Add LF at EOF.
* src/cff/cffload.c (cff_index_get_pointers): s/FT_QALLOC/FT_ALLOC/.
* src/base/ftobjs.c (Mac_Read_POST_Resource): s/FT_ALLOC/FT_QALLOC/.
* src/sdf/ftsdf.c (sdf_{edge,contour,shape}_new): Use FT_QALLOC.
[sfnt] s/FT_ALLOC/FT_QALLOC/ for initialized buffers.
[cff,type1,type42] s/FT_ALLOC/FT_QALLOC/ for initialized buffers.
[cid] s/FT_ALLOC/FT_QALLOC/ and clean up.
[pfr] s/FT_ALLOC/FT_QALLOC/ for initialized buffers.
[bzip2,gzip] s/FT_ALLOC/FT_QALLOC/ for initialized buffers.
[pcf,bdf,winfonts] s/FT_ALLOC/FT_QALLOC/ for initialized buffers.
[cache] Optimize SBit copying.
[gxvalid,otvalid] s/FT_ALLOC/FT_QALLOC/ for initialized buffers.
[psaux] s/FT_ALLOC/FT_QALLOC/ for initialized buffers.
[base] s/FT_ALLOC/FT_QALLOC/ for initialized buffers.
[cache] Restore SBit copying for unowned (BDF) bitmaps.
[sfnt] Return in 'COLR' v1 when layer pointer outside table
[cache] Switch to lazy SBit setting.
* src/cache/ftcsbits.c (ftc_snode_load): Properly handle short pitch.
* builds/unix/freetype2.m4: Fix help string formatting.
[sfnt] Safeguard 'COLR' v1 layer extraction