trying to use xz on manuals.

[Norikatsu Shigemura]

Hi.

	I tested like following:
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--- share/mk/bsd.own.mk.orig    2010-10-06 12:22:05.747697000 +0900
+++ share/mk/bsd.own.mk 2010-12-06 23:40:59.058632584 +0900
@@ -169,8 +169,8 @@
 STRIP?=                -s
 .endif
 
-COMPRESS_CMD?= gzip -cn
-COMPRESS_EXT?= .gz
+COMPRESS_CMD?= xz -c
+COMPRESS_EXT?= .xz
 
 .if !defined(_WITHOUT_SRCCONF)
 #
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	So I got following results:
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$ find /usr/share/doc /usr/share/info /usr/share/man /usr/share/openssl/man -name \*.gz | xargs stat -f %z | awk '{sum+=$0} END {print sum, NR}'
31186768 8629
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
$ find /usr/share/doc /usr/share/info /usr/share/man /usr/share/openssl/man -name \*.xz | xargs stat -f %z | awk '{sum+=$0} END {print sum, NR}'
30010640 8631
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	.xz smaller than .gz, but effective is about 96.2%:-(.

Different from files.gz to files.xz:
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+/usr/share/man/man3/log2.3.xz
+/usr/share/man/man3/log2f.3.xz
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(Sorry, .gz environment is just older)


	And I noticed that tooooooo long ObsoleteFiles.inc:-(.
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# YYYYMMDD: Remove *.gz (Replaced by *.xz)
OLD_FILES+=usr/share/doc/papers/beyond43.ascii.gz
OLD_FILES+=usr/share/doc/papers/bio.ascii.gz
OLD_FILES+=usr/share/doc/papers/contents.ascii.gz
	:
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	Humm.. JFYI.

-- 
Norikatsu Shigemura <nork at FreeBSD.org>