deb8e29000
Previously, the built-in handlers assumed a group was empty if and only if it had no attributes. But a ReplaceAttr function that returned an empty Attr could produce an empty group even if the group had attrs prior to replacement. The obvious solution, doing the replacement first and then checking, would require allocating storage to hold the replaced Attrs. Instead, we write to the buffer, and if no attributes were written, we back up to before the group name. Fixes #62512. Change-Id: I140e0901f4b157e36594d8d476f1ab326f8f2c2a Reviewed-on: https://go-review.googlesource.com/c/go/+/529855 Run-TryBot: Jonathan Amsterdam <jba@google.com> Reviewed-by: Alan Donovan <adonovan@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> |
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