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-rw-r--r--src/alf.114
1 files changed, 13 insertions, 1 deletions
diff --git a/src/alf.1 b/src/alf.1
index eb5b0b7..c51cd8c 100644
--- a/src/alf.1
+++ b/src/alf.1
@@ -36,7 +36,7 @@ alf \- create Atari 8-bit ALF archives
.
.SH SYNOPSIS
.sp
-alf [\fB\-\-help\fP] [\fB\-a\fP | \fB\-o\fP ] \fIalf\-file\fP \fIfile\fP [\fIfile\fP ...]
+alf [\fB\-\-help\fP] | [\fB\-a\fP | \fB\-o\fP ] \fIalf\-file\fP \fIfile\fP [\fIfile\fP ...]
.SH DESCRIPTION
.sp
\fBalf\fP creates \fIALF\fP archives.
@@ -50,6 +50,12 @@ rewrite of \fBLZ.COM\fP for modern operating systems, with added features.
By default, the \fIalf\-file\fP is created, and the \fIfile\fPs are compressed
and added to it. If \fIalf\-file\fP already existed, it is backed up by adding
a \fB~\fP to the filename.
+.sp
+The \fBALF\fP file format only supports uppercase "8.3" filenames
+(Atari DOS or MS\-DOS style), and does not support subdirectories. The
+filenames you give will be stored in the \fBALF\fP file uppercased
+and truncated to fit the 8.3 scheme. This could result in duplicate
+filenames in the archive, if you\(aqre not careful.
.SH OPTIONS
.INDENT 0.0
.TP
@@ -94,6 +100,12 @@ files are small (usually under 64KB). Compressing a 1.3MB text file
takes 5 seconds on the author\(aqs (rather modest) Intel i7 workstation.
A 50KB file takes 0.2 seconds, which is more typical of the files
you\(aqd actually use this with.
+.sp
+The date/time stamps stored in the archive are the \fBmtime\fPs of
+the files (which is the same time \fBls\fP(1) shows, by default), and
+your local timezone is assumed. Only a 2\-digit year is displayed by
+\fBunalf\fP, but the year stored in the \fIALF\fP file doesn\(aqt have a Y2K
+problem. It does, however, have a Y2108 problem...
.SH COPYRIGHT
.sp
The original AlfCrunch (\fBDZ.COM\fP and \fBLZ.COM\fP) for the Atari 8\-bit