Refer to Atari programs by original names (LZ and DZ, not ALF and UNALF).

1 files changed, 18 insertions, 8 deletions

diff --git a/src/unalf.1 b/src/unalf.1
index b6ca213..383974c 100644
--- a/src/unalf.1
+++ b/src/unalf.1
@@ -27,7 +27,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .in \\n[rst2man-indent\\n[rst2man-indent-level]]u
 ..
-.TH "UNALF" 1 "2025-11-20" "0.1.0" "Urchlay's Atari 8-bit Tools"
+.TH "UNALF" 1 "2025-11-21" "0.1.0" "Urchlay's Atari 8-bit Tools"
 .SH NAME
 unalf \- extract Atari 8-bit ALF archives
 .\" RST source for unalf(1) man page. Convert with:
@@ -39,11 +39,13 @@ unalf \- extract Atari 8-bit ALF archives
 unalf [\fB\-\-help\fP] [\fB\-aehtklLopqtv\fP] [\fB\-d\fP \fIdir\fP] [\fB\-x\fP \fIwildcard\fP] \fIalf\-file\fP [\fIwildcard\fP ...]
 .SH DESCRIPTION
 .sp
-\fBunalf\fP lists or extracts the contents of an \fIALF\fP archive.
+\fBunalf\fP lists, extracts, or tests the contents of an \fIALF\fP archive.
 .sp
 \fIALF\fP is a compressed archive format similar to \fBarc\fP(1), though
 not compatible with it. It was used on the Atari 8\-bit platform
-beginning in the late 1980s.
+beginning in the late 1980s. The Atari executables are \fBLZ.COM\fP
+for the compressor and \fBDZ.COM\fP for the decompressor. \fBunalf\fP is a
+port of \fBDZ.COM\fP for modern operating systems, with added features.
 .sp
 Extracted files are written to the current directory by
 default. Existing files are backed up by default (by adding a \fB~\fP
@@ -277,7 +279,7 @@ Generally means the archive is corrupt. Valid ALF files should never
 cause these errors.
 .sp
 If you have an ALF file that does this, try it with the Atari
-\fBUNALF14.COM\fP and see if it has the same problem. If it doesn\(aqt,
+\fBDZ.COM\fP and see if it has the same problem. If it doesn\(aqt,
 you\(aqve found a bug in \fBunalf\fP, please send me the .alf file via
 email (see \fBAUTHOR\fP, below). Actually, I\(aqd be interested to see
 the .alf file even if it doesn\(aqt work on the Atari either.
@@ -302,7 +304,7 @@ allow underscores in filenames.
 .UNINDENT
 .SH NOTES
 .sp
-This \fBunalf\fP is 100% compatible with the original Atari \fBUNALF14.COM\fP
+This \fBunalf\fP is 100% compatible with the original Atari \fBDZ.COM\fP
 aka \fBDZ.COM\fP, with the following differences:
 .INDENT 0.0
 .IP \(bu 2
@@ -318,13 +320,21 @@ Turning the screen off for speed makes no sense on modern operating
 systems, so there\(aqs no option for that.
 .UNINDENT
 .sp
-Neither this \fBunalf\fP nor \fBUNALF14.COM\fP actually use the dates/times
+Neither this \fBunalf\fP nor \fBDZ.COM\fP actually use the dates/times
 stored in the archive. Extracted files will have their timestamps set
 to the current date/time.
+.sp
+A note about the Atari filenames: \fBDZ.COM\fP is sometimes found on
+old disk images as \fBUNALF.COM\fP, and \fBLZ.COM\fP is sometimes called
+\fBALF.COM\fP or \fBALFER.COM\fP\&. I\(aqve used the original names partly
+out of respect for the original author, and partly to avoid confusion
+between my \fBunalf\fP and the Atari one.
 .SH COPYRIGHT
 .sp
-The original AlfCrunch for the Atari 8\-bit was released into the Public
-Domain. Portions of the Atari AlfCrunch code are included in \fBunalf\fP\&.
+The original AlfCrunch (\fBDZ.COM\fP and \fBLZ.COM\fP) for the Atari
+8\-bit was released into the Public Domain. Portions of the \fBDZ.COM\fP
+code are included in \fBunalf\fP, converted from 6502 instructions to
+C macros.
 .sp
 \fBunalf\fP is released under the WTPFL: Do WTF you want with this.
 .SH AUTHOR