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Theodore Ts'o 06f59e9f5d Don't fflush(stdout) when it's not helpful 
This patch arose from a discussion started by Jim Meyering's patch
whose intention was to provide better diagnostics for failed writes.
Linus proposed a better way to do things, which also had the added
benefit that adding a fflush() to git-log-* operations and incremental
git-blame operations could improve interactive respose time feel, at
the cost of making things a bit slower when we aren't piping the
output to a downstream program.

This patch skips the fflush() calls when stdout is a regular file, or
if the environment variable GIT_FLUSH is set to "0".  This latter can
speed up a command such as:

GIT_FLUSH=0 strace -c -f -e write time git-rev-list HEAD | wc -l

a tiny amount.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-30 20:16:12 -07:00
..
howto
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technical
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.gitignore
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asciidoc.conf
Merge branch 'maint' to sync with GIT 1.5.2.2
2007-06-16 01:22:10 -07:00
blame-options.txt
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build-docdep.perl
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callouts.xsl
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cmd-list.perl
Document git-gui, git-citool as mainporcelain manual pages
2007-06-22 22:32:32 -07:00
config.txt
[PATCH] git-mergetool: Allow gvimdiff to be used as a mergetool
2007-06-10 08:27:29 -04:00
core-intro.txt
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core-tutorial.txt
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2007-06-07 00:04:01 -07:00
cvs-migration.txt
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diff-format.txt
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diff-options.txt
Teach diff to imply --find-copies-harder upon -C -C
2007-06-12 01:00:38 -07:00
diffcore.txt
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docbook-xsl.css
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everyday.txt
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fetch-options.txt
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git-add.txt
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git-am.txt
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git-annotate.txt
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git-apply.txt
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git-archimport.txt
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git-archive.txt
Make command description imperative statement, not third-person present.
2007-06-09 10:42:48 -07:00
git-bisect.txt
War on whitespace
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git-blame.txt
git-blame -w: ignore whitespace
2007-06-09 18:34:58 -07:00
git-branch.txt
War on whitespace
2007-06-07 00:04:01 -07:00
git-bundle.txt
Documentation: Added [verse] to SYNOPSIS where necessary
2007-05-18 21:47:40 -07:00
git-cat-file.txt
War on whitespace
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git-check-attr.txt
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git-check-ref-format.txt
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git-checkout-index.txt
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git-checkout.txt
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git-cherry-pick.txt
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git-cherry.txt
Merge branch 'maint'
2007-06-12 00:15:16 -07:00
git-citool.txt
Document git-gui, git-citool as mainporcelain manual pages
2007-06-22 22:32:32 -07:00
git-clean.txt
Fix minor documentation errors
2007-05-07 15:39:57 -07:00
git-clone.txt
Merge branch 'maint'
2007-06-09 11:52:43 -07:00
git-commit-tree.txt
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git-commit.txt
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git-config.txt
config: Add --null/-z option for null-delimted output
2007-06-26 19:00:39 -07:00
git-convert-objects.txt
War on whitespace
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git-count-objects.txt
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git-cvsexportcommit.txt
Merge branch 'maint' to sync with GIT 1.5.2.2
2007-06-16 01:22:10 -07:00
git-cvsimport.txt
Merge branch 'aw/cvs'
2007-06-12 21:04:52 -07:00
git-cvsserver.txt
cvsserver: Actually implement --export-all
2007-06-15 22:38:48 -07:00
git-daemon.txt
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git-describe.txt
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git-diff-files.txt
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git-diff-index.txt
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git-diff-tree.txt
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git-diff.txt
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git-fast-import.txt
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git-fetch-pack.txt
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git-fetch.txt
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git-fmt-merge-msg.txt
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git-for-each-ref.txt
Documentation: Reformatted SYNOPSIS for several commands
2007-05-18 21:47:45 -07:00
git-format-patch.txt
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git-fsck-objects.txt
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git-fsck.txt
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2007-06-07 00:04:01 -07:00
git-gc.txt
Fix minor grammatical typos in the git-gc man page
2007-05-31 16:22:28 -07:00
git-get-tar-commit-id.txt
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git-grep.txt
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git-gui.txt
Document git-gui, git-citool as mainporcelain manual pages
2007-06-22 22:32:32 -07:00
git-hash-object.txt
War on whitespace
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git-http-fetch.txt
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git-http-push.txt
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git-imap-send.txt
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git-index-pack.txt
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git-init-db.txt
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git-init.txt
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git-instaweb.txt
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git-local-fetch.txt
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git-log.txt
Document git log --full-diff
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git-lost-found.txt
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git-ls-files.txt
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git-ls-remote.txt
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git-ls-tree.txt
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git-mailinfo.txt
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git-mailsplit.txt
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git-merge-base.txt
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git-merge-file.txt
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git-merge-index.txt
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git-merge-one-file.txt
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git-merge-tree.txt
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git-merge.txt
War on whitespace
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git-mergetool.txt
[PATCH] git-mergetool: Allow gvimdiff to be used as a mergetool
2007-06-10 08:27:29 -04:00
git-mktag.txt
mktag: minimally update the description.
2007-06-10 16:00:36 -07:00
git-mktree.txt
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git-mv.txt
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git-name-rev.txt
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git-p4import.txt
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git-pack-objects.txt
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git-pack-redundant.txt
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git-pack-refs.txt
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git-parse-remote.txt
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git-patch-id.txt
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git-peek-remote.txt
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git-prune-packed.txt
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git-prune.txt
Merge branch 'maint'
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git-pull.txt
War on whitespace
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git-push.txt
git-push: Update description of refspecs and add examples
2007-06-09 11:53:01 -07:00
git-quiltimport.txt
War on whitespace
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git-read-tree.txt
Document git read-tree --trivial
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git-rebase.txt
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git-receive-pack.txt
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git-reflog.txt
Document git reflog --stale-fix
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git-relink.txt
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git-remote.txt
Merge branch 'maint'
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git-repack.txt
Merge branch 'maint'
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git-repo-config.txt
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git-request-pull.txt
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git-rerere.txt
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git-reset.txt
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git-rev-list.txt
Document git rev-list --timestamp
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git-rev-parse.txt
Document git rev-parse --is-inside-git-dir
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git-revert.txt
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git-rm.txt
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git-runstatus.txt
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git-send-email.txt
git-send-email: make options easier to configure.
2007-06-27 21:00:36 -07:00
git-send-pack.txt
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git-sh-setup.txt
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git-shell.txt
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git-shortlog.txt
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git-show-branch.txt
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git-show-index.txt
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git-show-ref.txt
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git-show.txt
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git-ssh-fetch.txt
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git-ssh-upload.txt
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git-status.txt
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git-stripspace.txt
War on whitespace
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git-submodule.txt
git-submodule: clone during update, not during init
2007-06-06 02:49:08 -07:00
git-svn.txt
git-svn: trailing slash in prefix is mandatory with --branches/-b
2007-06-24 02:37:40 -07:00
git-svnimport.txt
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git-symbolic-ref.txt
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git-tag.txt
Teach git-tag about showing tag annotations.
2007-06-02 20:04:14 -07:00
git-tar-tree.txt
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git-tools.txt
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git-unpack-file.txt
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git-unpack-objects.txt
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git-update-index.txt
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git-update-ref.txt
git-update-ref: add --no-deref option for overwriting/detaching ref
2007-05-10 15:24:44 -07:00
git-update-server-info.txt
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git-upload-archive.txt
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git-upload-pack.txt
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git-var.txt
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git-verify-pack.txt
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git-verify-tag.txt
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git-whatchanged.txt
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git-write-tree.txt
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git.txt
Don't fflush(stdout) when it's not helpful
2007-06-30 20:16:12 -07:00
gitattributes.txt
Use $Id$ as the ident attribute keyword rather than $ident$ to be consistent with other VCSs
2007-05-14 19:03:32 -07:00
gitignore.txt
Create a new manpage for the gitignore format, and reference it elsewhere
2007-06-02 11:59:19 -07:00
gitk.txt
War on whitespace
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gitmodules.txt
gitmodules(5): remove leading period from synopsis
2007-06-15 22:46:04 -07:00
glossary.txt
Documentation: Add definition of "evil merge" to GIT Glossary
2007-05-25 20:54:38 -07:00
hooks.txt
Remove git-applypatch
2007-05-24 21:36:53 -07:00
howto-index.sh
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i18n.txt
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install-doc-quick.sh
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install-webdoc.sh
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Makefile
Change default man page path to /usr/share/man
2007-06-20 16:22:09 -07:00
merge-options.txt
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merge-strategies.txt
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pretty-formats.txt
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pretty-options.txt
Document git log --abbrev-commit, as a kind of pretty option
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pull-fetch-param.txt
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RelNotes-1.5.0.1.txt
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RelNotes-1.5.0.2.txt
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RelNotes-1.5.0.3.txt
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RelNotes-1.5.0.4.txt
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RelNotes-1.5.0.5.txt
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RelNotes-1.5.0.6.txt
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RelNotes-1.5.0.7.txt
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RelNotes-1.5.0.txt
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RelNotes-1.5.1.1.txt
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RelNotes-1.5.1.2.txt
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RelNotes-1.5.1.3.txt
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RelNotes-1.5.1.4.txt
GIT v1.5.1.4
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RelNotes-1.5.1.5.txt
GIT 1.5.1.6
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RelNotes-1.5.1.6.txt
GIT 1.5.1.6
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RelNotes-1.5.1.txt
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RelNotes-1.5.2.1.txt
GIT 1.5.2.1
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RelNotes-1.5.2.2.txt
GIT 1.5.2.2
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RelNotes-1.5.2.txt
GIT 1.5.2
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RelNotes-1.5.3.txt
Update draft Release Notes for 1.5.3
2007-06-29 09:20:06 -07:00
repository-layout.txt
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SubmittingPatches
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tutorial-2.txt
tutorials: add user-manual links
2007-05-19 00:57:19 -04:00
tutorial.txt
tutorial: use "project history" instead of "changelog" in header
2007-06-10 16:46:17 -04:00
urls.txt
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user-manual.conf
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user-manual.txt
Merge branch 'maint' to sync with GIT 1.5.2.2
2007-06-16 01:22:10 -07:00