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-rw-r--r--usr.bin/compress/compress.151
1 files changed, 28 insertions, 23 deletions
diff --git a/usr.bin/compress/compress.1 b/usr.bin/compress/compress.1
index 5b9c73cd21f..518f62253d0 100644
--- a/usr.bin/compress/compress.1
+++ b/usr.bin/compress/compress.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: compress.1,v 1.22 2003/07/20 13:25:52 millert Exp $
+.\" $OpenBSD: compress.1,v 1.23 2003/08/01 09:38:00 jmc Exp $
.\" $NetBSD: compress.1,v 1.5 1995/03/26 09:44:34 glass Exp $
.\"
.\" Copyright (c) 1986, 1990, 1993
@@ -138,11 +138,14 @@ not removed, and the attributes of the input file are not retained.
The options are as follows:
.Bl -tag -width Ds
.It Fl V
-Display the program version (RCS Ids of the source files) and exit.
+Display the program version
+.Pq RCS IDs of the source files
+and exit.
.It Fl b Ar bits
Specify the
.Ar bits
-code limit (see below).
+code limit
+.Pq see below .
.It Fl c
Compressed or uncompressed output is written to the standard output.
No files are modified (force
@@ -168,28 +171,30 @@ Print a short help message.
.It Fl l
List information for the specified compressed files.
The following information is listed:
-.Bl -tag -width Ds -offset indent
+.Bl -tag -width "compression ratio"
.It compressed size
-size of the compressed file
+Size of the compressed file.
.It uncompressed size
-size of the file when uncompressed
+Size of the file when uncompressed.
.It compression ratio
-ratio of the difference between the compressed and uncompressed
+Ratio of the difference between the compressed and uncompressed
sizes to the uncompressed size.
.It uncompressed name
-name the file will be saved as when uncompressing
+Name the file will be saved as when uncompressing.
.El
.Pp
If the
.Fl v
option is specified, the following additional information is printed:
-.Bl -tag -width Ds -offset indent
+.Bl -tag -width "compression method"
.It compression method
-name of the method used to compress the file
+Name of the method used to compress the file.
.It crc
-32-bit crc of the uncompressed file
+32-bit CRC
+.Pq cyclic redundancy code
+of the uncompressed file.
.It "time stamp"
-date and time corresponding to the last data modification time
+Date and time corresponding to the last data modification time
(mtime) of the compressed file (if the
.Fl n
option is specified, the time stamp stored in the compressed file
@@ -256,9 +261,8 @@ limit specified by the
.Fl b
flag is reached.
.Ar bits
-must be between 9 and 16 (the default is 16).
-.\" XXX - use .br here to work-around an apparent bug in mdoc
-.br
+must be between 9 and 16
+.Pq the default is 16 .
.Pp
After the
.Ar bits
@@ -300,9 +304,9 @@ The amount of compression obtained depends on the size of the
input, the number of
.Ar bits
per code, and the distribution of common substrings.
-Typically, text such as source code or English is reduced by 50\-60% using
+Typically, text such as source code or English is reduced by 50 \- 60% using
.Nm
-and by 60\-70% using
+and by 60 \- 70% using
.Nm gzip .
Compression is generally much better than that achieved by Huffman
coding (as used in the historical command pack), or adaptive Huffman
@@ -330,6 +334,7 @@ The file was compressed successfully.
An error occurred.
.It Li 2
A warning occurred.
+.El
.Sh SEE ALSO
.Rs
.%A Welch, Terry A.
@@ -341,12 +346,12 @@ A warning occurred.
.Re
.Pp
.Bl -tag -width 12n -compact
-.It RFC1950
-ZLIB Compressed Data Format Specification
-.It RFC1951
-DEFLATE Compressed Data Format Specification
-.It RFC1952
-GZIP File Format Specification
+.It RFC 1950
+ZLIB Compressed Data Format Specification.
+.It RFC 1951
+DEFLATE Compressed Data Format Specification.
+.It RFC 1952
+GZIP File Format Specification.
.El
.Sh STANDARDS
The