Fix gvpr man page to distinguish between literals and metacharacters

diff --git a/cmd/gvpr/gvpr.1 b/cmd/gvpr/gvpr.1
index c7a18e0f9ff5a4055e49cbf213c18d4ede2bb0bf..8510133e512393d3bcea3f45ecf8d5ac11f20bd8 100644 (file)
--- a/cmd/gvpr/gvpr.1
+++ b/cmd/gvpr/gvpr.1
@@ -194,7 +194,7 @@ is a single scope. Array declarations have the form:
 .ta \w'\f(CWdelete array[expression]'u
 .RS
 .nf
-\fI type array \fP[\fI var \fP]
+\fI type array \fB[\fP var \fB]\fR
 .fi
 .RE
 .DT
@@ -208,19 +208,20 @@ Executable statements can be one of the following:
 .ta \w'\f(CWdelete array[expression]'u
 .RS
 .nf
-{\fR [\fP\fI statement ... \fP\fR] \fP}
-\fIexpression\fP       \fR// commonly\fP\fI var = expression\fP
-if(\fI expression \fP)\fI statement \fP\fR[ \fPelse\fI statement \fP\fR]\fP
-for(\fI expression \fP;\fI expression \fP;\fI expression \fP)\fI statement\fP
-for(\fI array \fP[\fI var \fP])\fI statement\fP
-while(\fI expression \fP)\fI statement\fP
-switch(\fI expression \fP)\fI case statements\fP
-break [\fI expression \fP]
-continue [\fI expression \fP]
-return [\fI expression \fP]
+\fB{\fR [\fI statement ... \fR] \fB}\fR
+\fIexpression\fP       \fR// commonly\fP\fI var \fB=\fP expression\fR
+\fBif(\fI expression \fP)\fI statement \fR[ \fBelse\fI statement \fR]
+\fBfor(\fI expression \fP;\fI expression \fP;\fI expression \fP)\fI statement\fP
+\fBfor(\fI array \fP[\fI var \fP])\fI statement\fP
+\fBwhile(\fI expression \fP)\fI statement\fP
+\fBswitch(\fI expression \fP)\fI case statements\fP
+\fBbreak [\fI expression \fP]
+\fBcontinue [\fI expression \fP]
+\fBreturn [\fI expression \fP]\fR
 .fi
 .RE
 .ST
+Items in brackets are optional.
 .PP
 In the second form of the \fBfor\fP statement, the variable \fIvar\fP
 is set to each value used as an index in the specified array and then