If \fIwch\fP refers to a non-spacing character,
all previous characters at that location are preserved.
The non-spacing characters of \fIwch\fP
are added to the spacing complex character,
and the rendition specified by \fIwch\fP is ignored.
.TP 5
If \fIwch\fP refers to a non-spacing character,
all previous characters at that location are preserved.
The non-spacing characters of \fIwch\fP
are added to the spacing complex character,
and the rendition specified by \fIwch\fP is ignored.
.TP 5