+>>> The reason we don't want individual themes shipped with ikiwiki
+>>> to have to include their own `page.tmpl` is that when we add new
+>>> features (such as new plugins) to the ikiwiki core, if those features
+>>> require a `page.tmpl` change, we don't want to have to add them to
+>>> multiple variations of `page.tmpl`. This would either lead to
+>>> increased maintenance work (repeating ourselves), or theme-dependent
+>>> feature availability like what happens in Wordpress (for instance
+>>> imagine if `osm` only worked with Bootstrap and `sidebar` only worked
+>>> with Actiontabs - you wouldn't be able to have both).
+>>>
+>>> If you maintain your own local theme, you're welcome to maintain a
+>>> version of `page.tmpl` containing only the features you personally
+>>> need, but the `page.tmpl` in ikiwiki should be comprehensive. --[[smcv]]
+