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Up to [cvsweb.bsd.lv] / mandoc / regress / roff / mc

The syntax of the roff(7) .mc request is quite special
and the roff_onearg() parsing function is too generic,
so provide a dedicated parsing function instead.

This fixes an assertion failure when an \o escape sequence is
passed as the argument; the bug was found by tb@ using afl(1).
It also makes mandoc output more similar to groff in various cases.

.\" $OpenBSD: args.in,v 1.1 2022/04/28 16:16:46 schwarze Exp $
.TH MC-ARGS 1 "April 28, 2022"
.SH NAME
mc-args \- arguments to the .mc request
.SH DESCRIPTION
.ll 50n
.nf
initial text
.mc |suffix
ASCII character in the margin
.mc \CXX
invalid escape sequence
.mc \!
unsupported escape sequence
.mc \a
ignored escape sequence
.mc \(ba
special character in the margin
.mc \[integral]
special character represented as string
.mc \fR
font escape in the margin
.mc \N'124'
numbered character in the margin
.mc \[u007C]suffix
Unicode character in the margin
.mc \o'o/'
overstriking in the margin
.ll