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bflatastic ea61d34a93 M3.85: spot colours defined in Lab, with Spot Colors options for Lab values or CMYK equivalents 
Colours gain a CIE Lab model (`Color::Lab {l,a,b}`, serde tag `lab`), handled through the
CMS (display, separation, conversions, gamut), tints (toward paper white), keep_model, harmonies,
recolouring, blends, Info and the Color panel. Swatch Options gets a Lab mode
(`swatch.edit {mode: "lab"}` / `{color: {l,a,b}}`), and colour params accept `{l,a,b}`.

Swatches panel → Spot Colors… (`ui.spotColors`, dialog `spotColors`) runs `swatch.spotOptions
{useLab}` (Document.spot_use_lab, default on): Lab spot colours show and separate from their Lab
values, or art linked to them takes their working-CMYK equivalents, as one undo step. PDF export
writes Lab spot inks as Separation spaces with a Lab alternate (tint function from paper white),
or a DeviceCMYK one with CMYK equivalents.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
 		2026-10-05 03:46:57 +07:00
..
brush_fx.rs M3.91: Object > Flatten Transparency turns transparent art into opaque art that looks the same 2026-10-05 01:36:18 +07:00
freeform.rs M3.85: spot colours defined in Lab, with Spot Colors options for Lab values or CMYK equivalents 2026-10-05 03:46:57 +07:00
fx.rs M3.77: [Registration] swatch on every plate, trim marks on every artboard, Japanese marks and live Crop Marks 2026-10-05 03:46:04 +07:00
group.rs M3.74: blending inside a group reaches the art below unless the group isolates it 2026-10-05 00:27:31 +07:00
lib.rs M3.89: a clipping path's fill paints behind the clipped art, its stroke over it 2026-10-05 03:11:04 +07:00
live.rs M3.74: blending inside a group reaches the art below unless the group isolates it 2026-10-05 00:27:31 +07:00
paint.rs M3.81: freeform gradients: colour points with spread, smooth lines, first points placed inside the shape 2026-10-05 01:21:38 +07:00
pattern.rs M3.72: Tile Edge Color dialog and Show Swatch Bounds in pattern editing 2026-10-05 01:50:25 +07:00
proof.rs M3.85: spot colours defined in Lab, with Spot Colors options for Lab values or CMYK equivalents 2026-10-05 03:46:57 +07:00
tests.rs Merge wp/C1 2026-10-04 21:47:58 +07:00
tests_blend.rs M3.73: blend modes follow the reference formulas on screen, in SVG and in PDF 2026-10-05 00:27:31 +07:00
tests_charstroke.rs M3.40: stroke on type — the Stroke panel edits the characters' stroke 2026-10-05 01:09:55 +07:00
tests_clip.rs M3.26: clipping sets with any clip shape 2026-10-04 17:23:57 +07:00
tests_container.rs M3.68: groups, layers and type have their own fills, strokes and effects, with Contents and Characters rows 2026-10-05 00:59:34 +07:00
tests_freeform.rs M3.81: freeform gradients: colour points with spread, smooth lines, first points placed inside the shape 2026-10-05 01:21:38 +07:00
tests_isolation.rs M3.89: a clipping path's fill paints behind the clipped art, its stroke over it 2026-10-05 03:11:04 +07:00
tests_knockout.rs M3.48: Page Isolated Blending and Page Knockout Group 2026-10-04 23:10:06 +07:00
tests_objectfx.rs M3.43: effects render on type, placed images, symbol instances, blends, envelopes, meshes and repeats; a fill or stroke's own raster effects render and export as SVG filters on that element 2026-10-04 23:15:13 +07:00
tests_tileedge.rs M3.72: Tile Edge Color dialog and Show Swatch Bounds in pattern editing 2026-10-05 01:50:25 +07:00