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Revision 1.4, Thu Aug 23 14:29:41 2018 UTC (6 years, 1 month ago) by schwarze
Branch: MAIN
CVS Tags: VERSION_1_14_6, VERSION_1_14_5, HEAD
Changes since 1.3: +2 -2 lines 

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().

DE-INFINITE(1)              General Commands Manual             DE-INFINITE(1)

NNAAMMEE
     ddee--iinnffiinniittee - inifinte recursion in a user-defined macro

DDEESSCCRRIIPPTTIIOONN
     initial text [$1 end] [middle end] middle text final text

OpenBSD                         August 23, 2018                        OpenBSD