If you set the generator module limit to max and more results are returned then the next module accepts as input, an error is reported.
So it is not possible to make generator api request without knowing your limits, which should be possible when using the max value for the limit.
Example:
http://de.wikipedia.org/w/api.php?action=query&format=xml&generator=embeddedin&geititle=Vorlage:Bot&geilimit=max&prop=revisions&rvprop=content => "rvpage_count may not be over 50 (set to 74) for users"
Version: unspecified
Severity: major