standards/54410: one-true-awk not POSIX compliant (no extended REs)

[Ben Mesander]

Andrey Chernov writes:
 > I try this patch and it works in simple tests, but I very doubt awk's 
 > author will accept it. 
 > 
 > IMHO better alternative will be to switch back to good old gawk which use 
 > GNU regex (POSIXed and well localized too).

It is not well licensed for all uses, however.

--Ben

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