tree ebf9ab576ec0efe0071541d45d24b15fb4a07637
parent 1c1e517005786daeca0e77f2be6769e9b8e1f5a5
author Jay Conrod <jayconrod@google.com> 1562163748 -0400
committer Jay Conrod <jayconrod@google.com> 1562165739 +0000

go/build: document characters allowed in build tags

The documentation just said "alphanumeric", but underscores and dots
are also accepted.

Fixes #32886

Change-Id: I1ba872a220d5c5bf64f1d851ddba9eb3b1afb89a
Reviewed-on: https://go-review.googlesource.com/c/go/+/184917
Reviewed-by: Bryan C. Mills <bcmills@google.com>