+
+>>>> Pagespecs have some overhead themselves. Probably less than shipping
+>>>> the page content over stdio.
+>>>>
+>>>> Rather than putting filtering in the core of ikiwiki, I can think
+>>>> of two options. One is to make the main plugin a perl plugin, and
+>>>> have it call functions that are provided by another, external plugin.
+>>>> This is assuming you're using the other language because something
+>>>> is easy to do in it, not to avoid writing perl.
+>>>>
+>>>> Or, the external plugin interface could provide a version of `hook()`
+>>>> that does not pass the content parameter, but saves a copy that
+>>>> the plugin could request with a later rpc call. Assuming that
+>>>> it's really the overhead of serializing the page content, that's
+>>>> the problem, and not just the general overhead of making rpc calls
+>>>> for every page.. --[[Joey]]