avoid broken page on bad non-UTF8 highlight string

give useful message for broken plugins FS#2068

check manager/admin role earlier for admin plugins FS#2180

FS#2191: fixed syntax error in ar/lang.php

Fix wildcard search

renamed userstyles

In 09edb7113c19b07ca11a79c2b0571f45ed2cc2eb most of the old userstyles were wrongly named. This renames them back to what they were before that change. See also http://www.dokuwik

renamed userstyles

In 09edb7113c19b07ca11a79c2b0571f45ed2cc2eb most of the old userstyles were wrongly named. This renames them back to what they were before that change. See also http://www.dokuwiki.org/devel:css#user_styles

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improved css.php and core styles

* code cleanup in lib/exe/css.php
* renamed 'default' userstyle to 'screen' in config_cascade
* splitted core lib/styles/style.css up into all.css, print.css and scr

improved css.php and core styles

* code cleanup in lib/exe/css.php
* renamed 'default' userstyle to 'screen' in config_cascade
* splitted core lib/styles/style.css up into all.css, print.css and screen.css

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added missing user rtlstyle.css to config_cascade

Restrict metadata values in indexer to string; skip unnecessary test

Reduce memory footprint of tokenizer; make returned arrays use contiguous keys

Fix pass by reference error, always return an array in lookupKey()

Add minimum length option to index histogram

Increase version tag for new indexer

Fix variable name type in indexer

deleted redundant line

improved actionOK and its use

Implement histogram method of indexer

Indexer version tag should include plugin names

Removing a page from the index deletes related metadata. Cache key names in index.

Indexer::lookupKey callback receives value reference as first arg

Bulgarian language update

Dutch language update

removed duplicate authors from language files

added 'register' and 'resendpwd' to action links and buttons

Attention: $lang['register'] has been renamed to $lang['btn_register'],
anyone using that in any plugin or template should adjust it.

Chinese Language update