Ian Cottrell 6536af71d9 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>
2019-10-07 18:54:44 +00:00
..
2019-09-11 15:13:14 +00:00