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1 files changed, 23 insertions, 3 deletions
diff --git a/cxrefbas.1 b/cxrefbas.1
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+++ b/cxrefbas.1
@@ -32,13 +32,33 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
cxrefbas \- Code cross-reference for tokenized Atari 8-bit BASIC files
.SH SYNOPSIS
.sp
-cxrefbas \fBinput\-file\fP
+cxrefbas [\fB\-v\fP] \fBinput\-file\fP
.SH DESCRIPTION
.sp
\fBcxrefbas\fP reads an Atari 8\-bit BASIC tokenized program. For each
line number in the program, it prints a list of lines that reference
-it, via \fIGOTO\fP, \fIGOSUB\fP, \fIRESTORE\fP, \fITRAP\fP, \fION/GOTO\fP, \fION/GOTO\fP,
-or \fION/GOSUB\fP\&.
+it. Each reference is followed by a letter that indicates the type
+of reference:
+.INDENT 0.0
+.TP
+.B \fBG\fP
+\fIGOTO\fP (without \fION\fP) or \fIGO TO\fP\&.
+.TP
+.B \fBS\fP
+\fIGOSUB\fP (without \fION\fP).
+.TP
+.B \fBI\fP
+\fIIF\fP with line number only, e.g. \fIIF X THEN 1000\fP\&.
+.TP
+.B \fBO\fP
+\fION/GOTO\fP or \fION/GOSUB\fP\&.
+.TP
+.B \fBR\fP
+\fIRESTORE\fP\&.
+.TP
+.B \fBT\fP
+\fITRAP\fP\&.
+.UNINDENT
.sp
If a line doesn\(aqt exist, but is referenced (e.g. \fIGOTO 100\fP, but there
is no line 100), it\(aqs printed in the table, prefixed with \fI!\fP\&.