Preserve empty location for empty files #161
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Without a region, error messages in exceptions are unable to print a filename. By retaining the location in a zero-length region and detecting this when formatting the exception text it is possible to print the filename and explicitly state that the file is completely empty. Fixes ToruNiina#160
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Without a region, error messages in exceptions are unable to print
a filename.
By retaining the location in a zero-length region and detecting this
when formatting the exception text it is possible to print the filename
and explicitly state that the file is completely empty.
Fixes #160