Thread:Extension talk:Scribunto/Scribunto and Cache

Hello,

If I change a Lua module, what happens to other pages using this module? Are they purged from the cache automatically? Does Wikimedia notice when just comments of a Lua script are changed, so that other pages using the module remain in the cache unreparsed?

I am asking, because in the German Wikibook project we have a Lua module for autogenerating the Lua documentation from the source code similar to LuaDoc. Now there is the concern, that changing the documentation of a highly used Lua module would effect to a rerendering of thousands of sites and should therefore be avoided. Is this concern legitimate?