When an article consists of different sections and the first
section does not contain a header (== header ==) it can not be
edited seperately but you have to edit the complete article to
change the section. This is especially bad if the page is very
large where the complete page has to be loaded and saved back
to the database.
Suggestion: let Mediawiki check if there are sections, if so
and there is no heading in the first one craeate a link to
edit this first section (if there is a header there is no
For examples take a look at
http://de.wikipedia.org/wiki/Wikipedia:Mailinglisten and you
see what I mean.