Update to 1.8.3.

Changes

    Expanding the tree in an index page of the HTML output, will
    now expand only one level instead of the whole sub-tree (thanks
    to Pez Cuckow for the patch).
    A blockquote in Markdown does no longer require a whitespace
    after the last '>' if the '>' is followed by a newline.
    id 682718: Included patch to add version info to all generated
    template files (headers, footers, stylesheets, layout files,
    etc).

New features

    Added support for using external tools to index and search
    through the HTML documentation. An example index tool is provided
    (doxyindexer) and an example search engine (doxysearch.cgi).
    To configure the external search engine the following new
    options are added to the configuration file: EXTERNAL_SEARCH
    (to enable the feature), SEARCHENGINE_URL (to specify the URL
    of the search engine), SEARCHDATA_FILE (to specify the name of
    the raw search data to index), EXTRA_SEARCH_MAPPINGS (for search
    through multiple projects). See the manual for details.
    Added USE_MDFILE_AS_MAINPAGE config option to select a markdown
    page to be used as the main page.
    id 630645: This patch (contributed by Albert) adds support for
    simple logic expressions for \cond, \if, and friends, i.e. you
    can do \if (SOME_SECTION_NAME && (!THIS_ALTERNATIVE ||
    THAT_ALTERNATIVE))
    id 684152: Patch (contributed by Albert) adds a new configuration
    option MATHJAX_FORMAT to select the MathJax output format.
    Options are HTML-CSS, NativeMML, or SVG.


(wiz)