[release-branch.go1] regexp/syntax: unexport ErrUnexpectedParen
««« backport
b4cdcec897fb
regexp/syntax: unexport ErrUnexpectedParen
This new error is the only API change in the current draft of
Go 1.0.2 CLs. I'd like to include the CL that introduced it,
because it replaces a mysterious 'internal error' with a
useful error message, but I don't want any API changes,
so unexport the error constant for now. It can be
re-exported for Go 1.1.
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/
6294055
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