From 7e359d5a95b28e59d2a3e97bef12f028d2ab0ad0 Mon Sep 17 00:00:00 2001
From: "B. Watson" <urchlay@slackware.uk>
Date: Mon, 17 Jun 2024 18:40:35 -0400
Subject: cxrefbas: update doc.

---
 cxrefbas.1 | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

(limited to 'cxrefbas.1')

diff --git a/cxrefbas.1 b/cxrefbas.1
index 99870a2..15dd6c1 100644
--- a/cxrefbas.1
+++ 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\&.
-- 
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