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Revision 1.1, Thu Aug 23 14:29:42 2018 UTC (6 years, 1 month ago) by schwarze
Branch: MAIN
CVS Tags: VERSION_1_14_6, VERSION_1_14_5 

Implement the roff(7) .shift and .return requests,
for example used by groff_hdtbl(7) and groff_mom(7).

Also correctly interpolate arguments during nested macro execution
even after .shift and .return, implemented using a stack of argument
arrays.

Note that only read.c, but not roff.c can detect the end of a macro
execution, and the existence of .shift implies that arguments cannot
be interpolated up front, so unfortunately, this includes a partial
revert of roff.c rev. 1.337, moving argument interpolation back into
the function roff_res().

mandoc: basic.in:10:2: ERROR: ignoring request outside macro: return
mandoc: basic.in:18:32: ERROR: using macro argument outside macro: \$1
mandoc: basic.in:21:2: ERROR: ignoring request outside macro: return