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While Lua allows the true and false boolean values, wikicode templates can only express boolean values through strings such as "yes", "no", etc. This module processes these kinds of strings and turns them into boolean input for Lua to process. It also returns nil values as nil, to allow for distinctions between nil and false. The module also ...
Most functions in the module have a version for Lua and a version for #invoke. It is possible to use the #invoke functions from other Lua modules, but using the Lua functions has the advantage that you do not need to access a Lua frame object. Lua functions are preceded by _, whereas #invoke functions are not.
Lua patterns deliberately lack the most complex regular expression constructs (to avoid bloating the Lua code base), where many other computer languages or libraries use a more complete set. Lua patterns are not even a subset of regular expressions, as there are also discrepancies, like Lua using the escape character % instead of \, , and ...
Demo lines 2 and 3 by Johnuniq above show this effect. Line 4 still has the prefixed space, because by the addition of a character (|), the prefixed space has become an internal space and so is not affected by trimming. {} shows spaces with parameter 1 only because that is the only parameter not #if-ed in code.
This becomes a problem when you have 6 tabs or 24 spaces, what could be small on a notepad gets exploded on wikipedia. While yes I do use tabs outside wiki spaces are prefered on wiki, unless the css for lua code is changed kind of like how a .css pages on wiki are treated with a line number and proper tabing, I would say spacing is prefered..
First we check-- to see if the value is memoized, and if not we try and fetch it from-- the argument tables. When we check memoization, we need to check-- metaArgs before nilArgs, as both can be non-nil at the same time.-- If the argument is not present in metaArgs, we also check whether-- pairs has been run yet. If pairs has already been run ...
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Unlike in wikicode, Lua does not use functions like #ifexpr and #expr. Add the Lua operators and functions straight into your module. Add the Lua operators and functions straight into your module. See mw:Help:Calculation for details on how #expr and mw . ext .