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ea31f21fd8
The files stack.hh and position.hh are deprecated. Rather than devoting specify %define variables to discard them (api.position.file and api.stack.file), and rather than having to use special rules when api.location.file is used, let's simply decide that from %require "3.2" onwards, these files will not be generated. The only noticeable thing here is that, in order to be able to check the behavior of %require "3.2", to have this version (which is still 3.1-*) to accept %require "3.2". * src/gram.h, src/gram.c (required_version): New. * src/parse-gram.y (version_check): Set it. * src/output.c (prepare): Pass it m4. * data/bison.m4 (b4_required_version_if): Receive it and use it. * data/location.cc, data/stack.hh: Replace the api.*.file with only required version comparison. * tests/input.at: No longer check api.stack.file and api.position.file. * NEWS, doc/bison.texi: Don't mention them. Document the %require 3.2 behavior. * tests/output.at: Use %require 3.2 instead.