CVSROOT:        /cvs
Module name:    src
Changes by:        2018/04/09 16:26:25

Modified files:
        usr.bin/mandoc : libmandoc.h roff.c 
        regress/usr.bin/mandoc/roff/nr: Makefile 
Added files:
        regress/usr.bin/mandoc/roff/nr: undef.out_ascii 

Log message:
When accessing an undefined number register, define it to be zero, like
the previous commit for strings and macros, only technically simpler.
Desired behaviour also mentioned by Werner Lemberg in 2011.
This diff adds functionality but is -21 +19 LOC.  :-)

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