usage: [[paypal>email@address.com]]

  * Do not emit E_NOTICEs
  * Introduce explicit feed mode default value »recent« instead of handling
    every unknown feed mode as recent changes mode. This means:
    - FEED_MODE_UNKNOWN is only executed if the given feed mode is indeed
      unknown. This is specifically not the case if no feed mode request param
      has been specified or the requested feed mode is »recent«.
    - FEED_MODE_UNKNOWN dies with an error as default behaviour
  * opt[items] is forced to be a non-negative integer
  * opt[show_minor] is forced to be a boolean and thus has a default value of
    false instead of null

An external tokenizer inserts extra spaces to mark words in the input text.
The text is sent through STDIN and STDOUT file handles.

A good choice for Chinese and Japanese is MeCab.
http://sourceforge.net/projects/mecab/
With the command line 'mecab -O wakati'

This adds a license chooser to the installer. The installer defaults to
the more free CC-BY-SA. CC-NC-BY-SA is still the default in dokuwiki.php
to keep backwards compatibility.

The license array was reordered and Non-Derivative licenses removed
(they don't make much sense for wiki content).

This patch adds an option to choose how filenames are encoded
when saved to the file system. You can choose between urlencoding
(url), the new SafeFn method (safe) and storing real UTF-8 (utf-8).

Each searches on the wiki use this function. Scanning the index directory eachtime is time consuming with a constant series of disk access.
Switching a normal search to use file_exists 1 or more times, and not readdir all the directory.
Switching a wildcard search to use a lengths.idx file containing all the word lengths used in the wiki, file generated if a new configuration parameter $conf[readdircache] is not 0 and fixed to a time in second. Creation of a new function idx_listIndexLengths to do this part.

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