To get Cosmo to work on my system (and IBM mainframe) I had to
change the following cosmo code in grammar.lua.
--local alpha = lpeg.R('__','az','AZ','\127\255')
local alpha = lpeg.R('__','az','AZ')
Obviously, the \127\255 range isn't going to work on an EBCDIC
machine. I modified Lpeg to handle EBCDIC ranges simply by
converting the EBCDIC chars to ASCII, which is a common hack. My
question is what impact is that going to have on my altered version
Cosmo? I wouldn't have considered ASCII \127\255 to be alphas. Is
there a better way of doing this, possibly using locales?
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