As of May 2021, Apache Spatial Information System (SIS)
source code of web site migrated from Subversion to Git.
The new repository for SIS web site is now:

    https://gitbox.apache.org/repos/asf/sis-site

Revision 1882967 contains the last commit on SVN.
To see the last source code before migration to Git,
use any of the following links:

    https://svn.apache.org/repos/asf/sis/site/?p=1882967
    http://svn.apache.org/viewvc/sis/site/?pathrev=1882967