[issue2636] Regexp 2.7 (modifications to current re 2.2.2)

[Matthew Barnett]

Matthew Barnett <python at mrabarnett.plus.com> added the comment:

I am not able to build or test a 64-bit version. The update was to the source files to ensure that if it is compiled for 64 bits then the string positions will also be 64-bit.

This change was prompted by a poster who tried to use the re module of a 64-bit Python build on a 30GB memmapped file but found that the string positions were still limited to 32 bits.

It looked like a 64-bit build of the regex module would have the same limitation.

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