This is significant for the date, od, and pr commands
which have options of the form -X[OPTIONAL], which change like:
diff -r man.orig/date.1 man/date.1
< \fB\-I[FMT]\fR, \fB\-\-iso\-8601\fR[=\fI\,FMT\/\fR]
> \fB\-I\fR[\fI\,FMT\/\fR], \fB\-\-iso\-8601\fR[=\fI\,FMT\/\fR]
diff -r man.orig/od.1 man/od.1
< \fB\-w[BYTES]\fR, \fB\-\-width\fR[=\fI\,BYTES\/\fR]
> \fB\-w\fR[\fI\,BYTES\/\fR], \fB\-\-width\fR[=\fI\,BYTES\/\fR]
* man/help2man (convert_options): Support options of the form
-X[PARAM], so that we now consistently format them (in italics).
58ea3574e6