tree 78a51b4f078ab4bed898791610676e9af62f27bf
parent 79dbfd6c86b7839166300d4fe4ba75753900813a
author Ian Cottrell <iancottrell@google.com> 1570470727 -0400
committer Ian Cottrell <iancottrell@google.com> 1570474484 +0000

internal/span: end of file is now last line +1

We already accepted it as a valid input, but for output we still produced
last_line,last_column+1
Also add package docs and improve error messages

Change-Id: I017aa326e8392134e67e8fabec47e750c8055454
Reviewed-on: https://go-review.googlesource.com/c/tools/+/199641
Run-TryBot: Ian Cottrell <iancottrell@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rebecca Stambler <rstambler@golang.org>