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Fixed very rare occurrence with invtweak's formspec
- Solves #70 and crash on May 30th, 2015, 18h58
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@ -15,6 +15,7 @@ tweak.buttons = {
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local function get_formspec_size(formspec)
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local w = 8
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local h = 7.5
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if not formspec then return end
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local sstring = string.find(formspec,"size[",1,true)
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if sstring ~= nil then
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sstring = string.sub(formspec, sstring+5)
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