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4.6.7 Differences from AT&T ms

The groff ms macros are an independent reimplementation, using no AT&T code. Since they take advantage of the extended features of groff, they cannot be used with AT&T troff. groff ms supports features described above as Berkeley and Tenth Edition Research Unix extensions, and adds several of its own.

Register: \n[GS]

The register GS is set to 1 by the groff ms macros, but is not used by the AT&T ms package. Documents that need to determine whether they are being formatted with groff ms or another implementation should test this register.


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