tree 56d80e94689f7b2b1c77a9c39f64e8b41bc665b6
parent 56fce82a745462eae2bb32acf92ac6e10a879aef
author Marcel van Lohuizen <mpvl@golang.org> 1544112514 +0100
committer Marcel van Lohuizen <mpvl@golang.org> 1545293933 +0000

errors/fmt: avoid printing spurious colon

This happened when Detail is called but nothing
is printed.

Also gobble a newline at the start of printing detail.
Gobbling a newline at either the start or end simplifies
implementations, such as printing a list of stack traces.

Change-Id: I01af5c219745104600d01f9b543a054e7c1385f1
Reviewed-on: https://go-review.googlesource.com/c/152998
Run-TryBot: Marcel van Lohuizen <mpvl@golang.org>
Reviewed-by: Damien Neil <dneil@google.com>