Munehiro Yamamoto submitted an update to the
spotxcolor
package.
Version: 1.0 2026-03-14
License: lppl1.3c
Summary description: Modern spot color support for the xcolor package
Announcement text:
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The spotxcolor package has been updated to version 1.0.
This release brings major enhancements for complex graphics,
ensuring that your spot colors remain print-safe across all
major TeX engines.
## Major Changes in v1.0 (since v0.14):
* Advanced TikZ/PGF Support: Integrated comprehensive patches to
resolve ColorSpace dictionary collisions with PGF. Spot colors
now work seamlessly with complex TikZ graphics, basic shapes,
and function graphs without destroying PDF resources.
* CMYK Pattern Fills: Injected a core patch into PGF to force
uncolored patterns (both legacy patterns and modern patterns.meta)
to use CMYK instead of hardcoded RGB. This guarantees that spot
colors used in TikZ patterns safely fall back to CMYK, preventing
print separation issues.
* Explicit Driver Support: Improved compatibility and explicit
fallback mechanisms for dvipdfmx, pdftex, and luatex.
* License: Updated the package license to LPPL v1.3c or later.
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The package’s Catalogue entry can be viewed at
https://ctan.org/pkg/spotxcolor
The package’s files themselves can be inspected at
https://mirrors.ctan.org/macros/latex/contrib/spotxcolor/
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Thanks for the upload.
For the CTAN Team
Petra Rübe-Pugliese
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Please join a user group or donate to one, see https://ctan.org/lugs
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