Sebastian Ørsted submitted an update to the
SemanTeX
package.
Version number: 0.512 2021-08-10 License type: lppl1.3c
Summary description: Semantic, keyval-based mathematics
Announcement text: ----------------------------------------------------------------------
Keys like upper -, lower -, - etc. have been removed; those were previously aliases of upper slot, lower slot, slot etc. The reason for the removal of these is that it causes confusion when you want to use a minus sign as in index, as in vy[-]. Furthermore, due to a previous, failed find-and-replace operation, keys like lower * were accidentally called lower **, while what was supposed to be lower ** was really called lower ***. The error was not present in the upper equivalents of these keys.
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This package is located at https://mirrors.ctan.org/macros/latex/contrib/semantex
More information is at https://www.ctan.org/pkg/semantex
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Thanks for the upload.
For the CTAN Team Erik Braun
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