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Diffstat (limited to 'man')
| -rw-r--r-- | man/1/m4 | 19 |
1 files changed, 19 insertions, 0 deletions
@@ -4,6 +4,12 @@ m4 \- macro processor .SH SYNOPSIS .B m4 [ +.BI -p prefix +] +[ +.B -t +] +[ .BI -D name = value ] [ .BI -Q name = value @@ -236,7 +242,20 @@ Text may be undiverted into another diversion. Undiverting discards the diverted text. .PD .PP +The +.B -p +option causes +.I m4 +to add the given prefix character to the names of predefined macros; +typically the +.I prefix +is a Unicode character, to reduce the chance of a clash with macro names in the input text. +The +.B -t +option produces a trace on standard error. +.PP .I M4 +otherwise interprets its command line options after installing the predefined macro set. The .B -D |