[issue3018] Parse error on config file with UTF-8 BOM

[Peter Linss]

New submission from Peter Linss <peter.linss at hp.com>:

When the config file begins with a UTF-8 Byte Order Mark, most commands fail
with the following error:
hg: parse error at /Users/foo/.hgrc:1: [ui]

Removing the BOM resolves the problem.

As many editors insert BOMs this error can lead to serious confusion, the
BOM should be accepted (and used to determine the file's encoding).

----------
messages: 17506
nosy: plinss
priority: bug
status: unread
title: Parse error on config file with UTF-8 BOM
topic: 1.9

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