Guides/Language FAQ/Explicit Arguments
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Why do I get spelling errors when I write x. and y.?
Starting with J6.01, the period is removed from the argument names, so write x and y instead of x. and y. .
If you have code that uses the old names, you can either tell the interpreter to accept the old names by executing
9!:49 (1)
or change the names to the new form by loading the script
load '~system/extras/migrate/fixargs.ijs'
and then
fixfile <'filename' NB. e. g. <'c:\Jprogs\scriptname.ijs'
or
fixpath 'pathname' NB. e. g. 'c:\Jprogs'
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