My favorite font that makes these very distinct (as well as many other characters that can be a pain to distinguish) is ProFont. Vera Sans (mentioned above) is nice too, though it doesn't looks as nice as it scales down.

In reply to Re^2: The most annoying common way to get a string literal in Perl is... by moof1138
in thread The most annoying common way to get a string literal in Perl is... by tye 

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