Yue Zhang submitted the
ifxptex
package.
Version number: 0.1a 2017-09-02 License type: knuth
Summary description: Detect pTeX and its derivatives
Announcement text: ----------------------------------------------------------------------
This package provides commands for detecting pTeX and its derivatives (e-pTeX, upTeX, e-upTeX, and ApTeX). Both LaTeX and plain TeX are supported.
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This package is located at http://mirror.ctan.org/macros/generic/ifxptex
More information is at http://www.ctan.org/pkg/ifxptex
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Thanks for the upload.
For the CTAN Team Manfred Lotz
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