update todo with done tasks
add formatting notes
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| [[Special:Diff/6419|100th edit.]] (Undoing my own edit)
| [[Special:Diff/6419|100th edit.]] (Undoing my own edit)
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== Number formatting for thousands separator ==
In general Lua, text formatting can be done with:
<syntaxhighlight lang="lua" line>
function Format(amount)
    local formatted = amount
    while true do
        formatted, k = string.gsub(formatted, "^(-?%d+)(%d%d%d)", '%1,%2')
        if (k == 0) then
            break
        end
    end
    return formatted
end
</syntaxhighlight>
On Mediawiki installations, formatting should instead be done by:
<syntaxhighlight lang="lua" line>
local lang = mw.language.getContentLanguage()
local function Format(amount)
    local formatted = amount
    if(type(formatted) ~= "number") then return "<span style=\"color:red;\">Cannot format non-number value.</span>" end
    return lang:formatNum(tonumber(formatted))
end
</syntaxhighlight>