Merge commit 'dad460dcfc8466a8e1c59529d490829fcfaeee73' as 'src/lz4'

src/lz4/programs/lz4.1

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+\"
+\" lz4.1: This is a manual page for 'lz4' program. This file is part of the
+\" lz4 <https://code.google.com/p/lz4/> project.
+\"
+
+\" No hyphenation
+.hy 0
+.nr HY 0
+
+.TH lz4 "1" "2014-02-27" "lz4" "User Commands"
+.SH NAME
+\fBlz4\fR - Extremely fast compression algorithm
+
+.SH SYNOPSIS
+.TP 5
+\fBlz4\fR [\fBOPTIONS\fR] [-|INPUT-FILE] <OUTPUT-FILE>
+
+.SH DESCRIPTION
+.PP
+\fBlz4\fR is an extremely fast lossless compression algorithm. It is based on
+the \fBLZ77\fR family of compression scheme. At the compression speed of 400
+MB/s per core, \fBlz4\fR is also scalable with multi-core CPUs. It features
+an extremely fast decoder, with speed in multiple GB/s per core, typically
+reaching the RAM speed limits on multi-core systems. \fBlz4\fR supports
+following options
+
+.SH OPTIONS
+.TP
+.B \-1
+ fast compression (default)
+.TP
+.B \-9
+ high compression
+.TP
+.B \-d
+ decompression
+.TP
+.B \-f
+ overwrite output without prompting
+.TP
+.B \-h/\-H
+ display help/long help and exit
+.TP
+.B \-V
+ display Version number and exit
+.TP
+.B \-v
+ verbose mode
+.TP
+.B \-q
+ suppress warnings; specify twice to suppress errors too
+.TP
+.B \-c
+ force write to standard output, even if it is the console
+.TP
+.B \-t
+ test compressed file integrity
+.TP
+.B \-z
+ force compression
+.TP
+.B \-l
+ use Legacy format (useful for Linux Kernel compression)
+.TP
+.B \-B#
+ block size [4-7](default : 7)
+ B4= 64KB ; B5= 256KB ; B6= 1MB ; B7= 4MB
+.TP
+.B \-BD
+ block dependency (improve compression ratio)
+.TP
+.B \-BX
+ enable block checksum (default:disabled)
+.TP
+.B \-Sx
+ disable stream checksum (default:enabled)
+.TP
+.B \-b
+ benchmark file(s)
+.TP
+.B \-i#
+ iteration loops [1-9](default : 3), benchmark mode only
+
+.SH BUGS
+Report bugs at:- https://code.google.com/p/lz4/
+
+.SH AUTHOR
+Yann Collet