scalable changelog redesign

This patch provides a rewritten changelog system that is designed to run
efficiently on both small and large wikis. The patch includes a plugin to
convert changelogs from

scalable changelog redesign

This patch provides a rewritten changelog system that is designed to run
efficiently on both small and large wikis. The patch includes a plugin to
convert changelogs from the current format. The conversion is
non-destructive and happens automatically. For more information on the new
changelog format see "http://wiki.splitbrain.org/wiki:changelog".

Structure
In short the changelog is now stored in per-page changelog files, with a
recent changes cache. The recent changes cache is kept in
"/data/meta/_dokuwiki.changes" and trimmed daily. The per-page changelogs
are kept in "/data/meta/<ns>/<page_id>.changes" files. To preserve
revision information for revisions stored in the attic, the "*.changes"
files are not removed when their page is deleted. This allows the full
life-cycle of page creation, deletion, and reversion to be tracked.

Format
The changelog line format now uses a general "line type" field in place of
the special "minor" change syntax. There is also an extra field that can
be used to store arbitrary data associated with special line types. The
reverted line type (R) is a good example. There the extra field holds the
revision date used as the source for reverting the page. See the wiki for
the complete syntax description.

Code Notes
The changelog functions have been rewritten to load the whole file only if
it is small. For larger files, the function loads only the relevant
chunk(s). Parsed changelog lines are cached in memory to speed future
function calls.

getRevisionInfo
A binary search is used to locate the chunk expected to contain the
requested revision. The whole chunk is parsed, and adjacent lines are
optimistically cached to speed consecutive calls.

getRevisions
Reads the changelog file backwards (newest first) in chunks until the
requested number of lines have been read. Parsed changelog lines are
cached for subsequent calls to getRevisionInfo. Because revisions are read
from the changelog they are no longer guaranteed to exist in the attic.

(Note: Even with lines of arbitrary length getRevisionInfo and
getRevisions never split changelog lines while reading. This is done by
sliding the "file pointer" forward to the end of a line after each blind
seek.)

isMinor
Removed. To detect a minor edit check the type as follows:
$parsed_logline['type']

darcs-hash:20060830182753-05dcb-1c5ea17f581197a33732a8d11da223d809c03506.gz

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update config plugin

- add $conf['compression'] meta data and en lang strings
- remove $conf['usegzip'] meta data and en lang strings

Other language strings will need to be updated.

darcs-hash:200

update config plugin

- add $conf['compression'] meta data and en lang strings
- remove $conf['usegzip'] meta data and en lang strings

Other language strings will need to be updated.

darcs-hash:20060825223047-9b6ab-b0c8c6af57847690a6d398d0bd98af9a51911c21.gz

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user manager update

- add capability to send notification emails to users on
creation and password modification (bug#640)
- add success and fail messages for new user addition
- fix bug when modif

user manager update

- add capability to send notification emails to users on
creation and password modification (bug#640)
- add success and fail messages for new user addition
- fix bug when modification of username wasn't allowed,
'Edit user' fields weren't populated
- fix (php5 only?) bug where default group wasn't given to
a new user if no groups were specified
- added explanatory notes concerning default group and
password notification emails

This patch adds several new strings to the plugin's lang.php

darcs-hash:20060823115626-9b6ab-ea98ef630c79b28b52141957deb3efc307a9291d.gz

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slovak language update

darcs-hash:20060818142400-7ad00-b90e76acbfc37f99d4317fea26d063f67ffb4488.gz

plugin manager update - another fix for php5

darcs-hash:20060808131143-9b6ab-1bf57f66c6d1b10305f1bf190c7d507130f84eaa.gz

japanese language update

darcs-hash:20060807200813-7ad00-ca46ec6eca59cc368fbace6f7de337e4d1e997a5.gz

plugin manager update

fix ordering of plugins for php5

darcs-hash:20060807132242-9b6ab-2dc8e4508dc721908ec6453fc09acec1de23687d.gz

various language fixes

This patch makes sure all languages files have UNIX style line endings
and use correct UTF-8 encoding

darcs-hash:20060806143836-7ad00-2d9c48c5be303565ce461ec977c8792df61fbdd1

various language fixes

This patch makes sure all languages files have UNIX style line endings
and use correct UTF-8 encoding

darcs-hash:20060806143836-7ad00-2d9c48c5be303565ce461ec977c8792df61fbdd1.gz

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IT-20060806-patch

completed IT translation for new release of Dokuwiki

darcs-hash:20060806094947-57bea-f82fb29ada061db880bbab84d7cee79711f3e49b.gz

semantic css placeholders - part 1

darcs-hash:20060805141743-d5083-35b1edef7cd407f93b593e0a1cbbf1f548e86add.gz

Missing Spanish translations

darcs-hash:20060731224944-072b4-a965cc88f22614bde7d57fa2d714c749933d66f8.gz

polish lang update

darcs-hash:20060802132121-e561a-20e7882da3fe22eb06598a52d4e80fe64af441f0.gz

ukrainian translation additions and corrections

Added missing files and strings for ukrainian translation.

darcs-hash:20060801083018-71672-0eccf6e76ae33374b964666e753b5f7a40710789.gz

config plugin update

- improvements in handling of default values for multi-checkbox settings (e.g. defaultactions)
- minor style tweaks to cater for IE/Win

darcs-hash:20060731105910-9b6ab-2e78b4f5

config plugin update

- improvements in handling of default values for multi-checkbox settings (e.g. defaultactions)
- minor style tweaks to cater for IE/Win

darcs-hash:20060731105910-9b6ab-2e78b4f545b9d8a9f98accc22eeba5701049a037.gz

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rest of Danish lang minus installer

darcs-hash:20060729232120-a08f5-76f30344ee4b77b2dff6cfc010ab30a3bff1948e.gz

French lang update

darcs-hash:20060729182720-19e2d-9adbc9aaf5bcb637a8765e4658a216b7fcc375eb.gz

Danish lang update

darcs-hash:20060729003543-a08f5-e3ee3d4f5a21e36655b52edd8ee30421cfc4aa34.gz

config mgr: labels wrapped in span, not in a

darcs-hash:20060728212333-d5083-cbad284f32a6b01eb3609fe1aa960156b9ae42a3.gz

ukrainian_translation

darcs-hash:20060728201449-71672-da3bb0b702f89ad1f24526e592755f0f43c89850.gz

german language update

darcs-hash:20060728103450-7ad00-02001d13abc3808272ebe0ca5090f77ec8a831bb.gz

add missing closing parenthesis from yesterday's patch

darcs-hash:20060725123522-9b6ab-d4351e484bbd0d23d0b2d8b23c51368e1b64cbcb.gz

minor fix in plugin manager

darcs-hash:20060724193727-9b6ab-e1e9368fc18d674bd027bbfd03245e7b52944e67.gz

Danish lang update 3

darcs-hash:20060723030705-a08f5-7de42a43c8edb35592faaa60bc2c66223db93db3.gz

greek language update

darcs-hash:20060713204609-7ad00-541e0203b571ee94a735938affeeb408fde7deb7.gz

cleanup undefined constant notices

Undefined constants replaced with strings, see
http://www.php.net/manual/en/language.types.array.php#language.types.array.foo-bar

darcs-hash:20060710091820-05dcb-

cleanup undefined constant notices

Undefined constants replaced with strings, see
http://www.php.net/manual/en/language.types.array.php#language.types.array.foo-bar

darcs-hash:20060710091820-05dcb-cfccff2bdd633b929470c60d8eee096f50ab4c18.gz

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