THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
This is a page to record processes and procedures related to documentation, especially tips for developers who would like to contribute to the documentation.
The entire rendered Impala documentation set is now available on the Documentation tab of the Apache Impala web site. The rendered documentation is available in HTML and PDF. These links include all of the currently available Impala documentation: the release notes, SQL reference, installation, administration, and development guides.
Authoring Logistics
Source of the main Impala documentation (SQL Reference and such) is in XML, using the DITA XML format and buildable by an open source toolchain.
Version control is through git. The doc source files live underneath the docs/ subdirectory, in the same repository as the Impala code.
XML Source Conventions
Frequently Used Tags
Internal and External Links
Reuse via conref= Attribute
XML Validation
Before checking in doc updates, make sure the XML markup is valid. To perform a basic check for mismatched tags, missing or extra or unescaped delimiters, and other mistakes that are straightforward to detect, run the command:
xmllint --noout <filename>.xml
You can run the command with multiple filenames, for example all the modified files that are about to be committed.
If everything is OK, the command produces no output. If there is any output, it will show the approximate line(s) where the XML error occurs.
By default, the xmllint command only checks the validity aspects that apply to any XML document, for example, that every start <tag> is matched by a closing </tag>. But not that the actual tag and attribute names are ones recognized by the DITA XML dialect. That extra level of checking requires additional setup. (Instructions pending.)
Commit Messages
gerrit Reviews