histedit: add extension docstring from external README
Made a couple of tweaks to try and fit better with the hg docstring
style and fix up some ReST errors in the README.
issues when status queries are issued when dirstate is dirty
$ "$TESTDIR/hghave" inotify || exit 80
$ echo "[extensions]" >> $HGRCPATH
$ echo "inotify=" >> $HGRCPATH
$ echo "fetch=" >> $HGRCPATH
issue1810: inotify and fetch
$ hg init test; cd test
$ hg inserve -d --pid-file=../hg.pid
$ cat ../hg.pid >> "$DAEMON_PIDS"
$ echo foo > foo
$ hg add
adding foo
$ hg ci -m foo
$ cd ..
$ hg --config "inotify.pidfile=../hg2.pid" clone test test2
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cat ../hg2.pid >> "$DAEMON_PIDS"
$ cd test2
$ echo bar > bar
$ hg add
adding bar
$ hg ci -m bar
$ cd ../test
$ echo spam > spam
$ hg add
adding spam
$ hg ci -m spam
$ cd ../test2
$ hg st
abort, outstanding changes
$ hg fetch -q
$ hg st
$ cd ..
issue1719: inotify and mq
$ echo "mq=" >> $HGRCPATH
$ hg init test-1719
$ cd test-1719
inserve
$ hg inserve -d --pid-file=../hg-test-1719.pid
$ cat ../hg-test-1719.pid >> "$DAEMON_PIDS"
$ echo content > file
$ hg add file
$ hg qnew -f test.patch
$ hg status
$ hg qpop
popping test.patch
patch queue now empty
st should not output anything
$ hg status
$ hg qpush
applying test.patch
now at: test.patch
st should not output anything
$ hg status
$ hg qrefresh
$ hg status
$ cd ..