-.\" @(#) $OpenBSD: m4.1,v 1.51 2008/08/16 12:21:46 espie Exp $
+.\" @(#) $OpenBSD: m4.1,v 1.52 2008/08/16 12:26:07 espie Exp $
.\"
.\" Copyright (c) 1989, 1993
.\" The Regents of the University of California. All rights reserved.
In this mode, translit handles simple character
ranges (e.g., a-z), regular expressions mimic emacs behavior,
multiple m4wrap calls are handled as a stack,
-the number of diversions is unlimited,
-empty names for macro definitions are allowed,
-and eval understands
-.Sq 0rbase:value
-numbers.
+and the number of diversions is unlimited.
.It Fl I Ar "dirname"
Add directory
.Ar dirname
.Fa arg1
and following arguments, in a way similar to
.Xr printf 3 .
-This built-in is only available in GNU-m4 compatibility mode, and the only
-parameters implemented are there for autoconf compatibility:
-left-padding flag, an optional field width, a maximum field width, *-specified field widths, and the %s and %c data type.
+This built-in is only available in GNU-m4 compatibility mode, and the
+left-padding flag, an optional field width and the %s data type
+are the only supported parameters.
.It Fn ifdef name yes no
If the macro named by the first argument is defined then return the second
argument, otherwise the third.