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Answer by Ahmed Musa for pgf's \foreach macro
Here is a solution I am building into catopitons package. There is no hardwired local scoping of computations in this scheme. Arbitrary parsers, even active parsers, are accepted. There is still some...
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Please is there a way of turning the group scoping of \foreach off? The following problem illustrates my difficulty. Without global assignment the aim is not achieved, but global assignments might take...
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