When comparing reStructuredText vs DokuWiki, the Slant community recommends reStructuredText for most people. In the question“What are the best markup languages?” reStructuredText is ranked 5th while DokuWiki is ranked 9th. The most important reason people chose reStructuredText is:
reStructuredText is an easy-to-read, what-you-see-is-what-you-get plaintext markup syntax and parser system.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Human-readable
reStructuredText is an easy-to-read, what-you-see-is-what-you-get plaintext markup syntax and parser system.

Pro Technical documentation
Without any adjustments RST has many facilities for writing technical documentation (API docs, syntax highlighting code, embed code from source files).

Pro Parsing from Python
Python's docutils include a parser for RestructuredText.

Pro Extensible
Generators such as Sphinx allow you to define your own custom roles, directives and output generators.
Pro It's standardized
There's only one standard to adhere to - no "flavors".
Pro Large collections of themes available
Pro Easy to set up and mantain
To install you need a webserver running PHP 5.2 or later where you unpack the downloaded archive and navigate to install.php in your browser, fill out the necessary information required for the one-page installer and you are done.
Pro Local and open source
Local...
Pro Plain-text file storage
Dokuwiki does not require a database, it stores everything in plain-text.

Pro Version control
Dokuwik offers unlimited page revisions.
Pro Access control
DokuWiki has built-in ACL support.
Pro Runs on any PHP server
It requires a webserver running PHP 5.2 or later of any kind.
Pro A dedicated page for recent changes
A dedicated page to quickly note what has changed recently can be set up.
Pro Search functionality
DokuWiki allows searching through pages.
Pro Very last, consuming very few Local
Local....
Pro Good selection of plugins
DokuWiki offers over a thousand plugins to extend its functionality.
Pro Good selection of themes
DokuWiki offers over a hundred templates to change the visual appearance of the site.
Cons
Con Setup can be tedious
If you prefer Python to stay out of the way so that you can focus on the task you are doing, you will find that overall Python just asserts itself far to much.
Con Lots of plugins to manage
DokuWiki is highly modular. Even thing like WYSIWYG editors and categories have to be added separately as plugins. This can quickly lead to managing lots of plugins.
