Edited wiki page DeveloperFAQ through web user interface.
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* I'm seeing the same config name appear twice in dashboard?
-Please double check that you don't have a Unicode invisible space character, that maybe was copied from a webpage or was inserted at the beginning of the file by your text editor, in your config name.
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+Please double check that you don't have a Unicode invisible space character, that maybe was copied from a webpage or was inserted at the beginning of the file by your text editor, in your config name.
+
+* I have an existing Adaptor that only provides full data pushes - how do I make it support incremental pushes?
+
+The adaptor must extend `com/google/enterprise/adaptor/PollingIncrementalLister` which has a single method `getModifiedDocIds(DocIdPusher pusher)` ; when initializing the Adaptor, the single line:
+{{{
+setPollingIncrementalLister(this)
+}}}
+should then suffice.
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