.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
.\" copy of this software and associated documentation files (the *
In order to make menu selections visible on older terminals without
highlighting or color capability, the menu library marks selected items
in a menu with a prefix string.
In order to make menu selections visible on older terminals without
highlighting or color capability, the menu library marks selected items
in a menu with a prefix string.
The function \fBset_menu_mark\fR sets the mark string for the given menu.
Calling \fBset_menu_mark\fR with a null menu item will abolish the mark string.
Note that changing the length of the mark string for a menu while the
menu is posted is likely to produce unhelpful behavior.
The function \fBset_menu_mark\fR sets the mark string for the given menu.
Calling \fBset_menu_mark\fR with a null menu item will abolish the mark string.
Note that changing the length of the mark string for a menu while the
menu is posted is likely to produce unhelpful behavior.
-
-The default string is "-" (a dash). Calling \fBset_menu_mark\fR with
-a \fBNULL\fR menu argument will change this default.
-
+.PP
+The default string is "\-" (a dash). Calling \fBset_menu_mark\fR with
+a non-\fBNULL\fR menu argument will change this default.
+.PP
-The function \fBmenu_mark\fR returns \fBNULL\fR on error. The function
-\fBset_menu_mark\fR may return the following error codes:
+The function \fBmenu_mark\fR returns a pointer (which may be \fBNULL\fR).
+It does not set errno.
+.PP
+The function \fBset_menu_mark\fR may return the following error codes: