vxrefbas: WIP.

1 files changed, 25 insertions, 11 deletions

diff --git a/vxrefbas.1 b/vxrefbas.1
index 19d9d6f..6c7b7ec 100644
--- a/vxrefbas.1
+++ b/vxrefbas.1
@@ -35,25 +35,39 @@ vxrefbas \- Variable cross-reference for tokenized Atari 8-bit BASIC files
 vxrefbas \fBinput\-file\fP
 .SH DESCRIPTION
 .sp
-\fBvxrefbas\fP reads an Atari 8\-bit BASIC tokenized program and prints
-a list of variables, each with a list of line numbers where the
-variable is referenced.
+\fBvxrefbas\fP reads an Atari 8\-bit BASIC tokenized program and prints a
+list of variables (names and token numbers), each with a list of line
+numbers where the variable is referenced.
 .sp
+String variable names end with \fI$\fP\&. Arrays end with \fI(\fP\&. Numeric
+(scalar) variable names don\(aqt have a special character.
+.sp
+After the list of lines, the reference count is shown in parentheses.
 Variables that aren\(aqt used by the program are listed as \fI(no references)\fP\&.
 .sp
-Each line number may be followed by one or more markers, which show the
-type of variable access.
+Each line number may be followed by an \fI=\fP and one or more markers,
+which show the type of variable access.
 .INDENT 0.0
 .TP
-.B \fB=\fP
-The variable is assigned on this line, with \fILET\fP or "implied LET" (e.g.
+.B \fBA\fP
+Variable is assigned on this line, with \fILET\fP or "implied LET" (e.g.
 \fIA=1\fP).
 .TP
-.B \fB{\fP
-The variable is used as the control variable of a \fIFOR\fP loop on this line.
+.B \fBF\fP
+Variable is used as the control variable of a \fIFOR\fP loop on this line.
+.TP
+.B \fBN\fP
+Variable is used in a \fINEXT\fP on this line.
+.TP
+.B \fBD\fP
+The variable is dimensioned (\fIDIM\fP command) on this line. Only applies to
+string and array variables.
+.TP
+.B \fBI\fP
+Variable was \fIINPUT\fP on this line.
 .TP
-.B \fB}\fP
-The variable is used in a \fINEXT\fP on this line.
+.B \fBR\fP
+Variable was \fIREAD\fP on this line.
 .UNINDENT
 .SH OPTIONS
 .SS General Options