.TL
How to print C hacek?
.AU
Oliver Corff
.SH
First Variant: Various Notations, only one successful
.R
.TS
tab(|) nospaces;
lb lb | lb
l l | l.
Input description                       |Result                 | Comment
Direkt input of char \fC0x010C\fP:      |ČSSR                   | nothing, warning: can't find special character 'u0043_030C'.
Unicode \fC\\[u010C]\fP:                |\[u010C]SSR            | dito, but no warning.
Combining \fC\\[u0043_030C]\fP:         |\[u0043_030C]SSR       | dito, but no warning.
Using \fC\\[vC]\fP notation:            |\[vC]SSR               | nothing, warning: can't find special character 'vC'
                                        |                       | (combination undefined; analogous to \\[vZ] etc., see groff_char(7).)
Using Berkeley extension \fC\\*[v]\fP:  |C\*[v]SSR              | prints \fCC\fP only; not effective before \fB.AM\fP request.
.TE
.SH
Second Variant: Berkeley extensions (\fB.AM\FP) activated
.PP
Miraculously, \fIall\fP notations (with the notable exception of the undefined \fC\\[vC]\fP) begin to work.
.AM
.char Č C\*[v]
.TS
tab(|) nospaces;
l l.
Direkt input:                           |ČSSR
Unicode \fCu010C\fP:                    |\[u010C]SSR
Combining \fC\\[u0043_030C]\fP:         |\[u0043_030C]SSR
Using \fC\\[vC]\fP notation:            |\[vC]SSR
Using Berkeley extension \fC\\*[v]\fP:  |C\*[v]SSR
.TE