Character index vs Column number in GHC error messages

[Bayley, Alistair]

> From: Krasimir Angelov [mailto:kr.angelov at gmail.com] 
> 
> The difference comes from the tab
> characters which can have different width depending from the editor
> settings. For such reason all compilers, which I am aware of, display
> the character index instead of column number. ... GHC displays the
> column number instead and this confuses the editors.

Dude! Don't use tabs :-)
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