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Re:Scandalous Weird Old Things About The C Preprocessor (2015) by kpxxx on Tuesday May 30, 2017 @12:35PM (#14446506)
> Since 'beginning-of-file' isn't really something you can reduce to a token...

Of course you can, generate a token immediately upon opening a file. Nothing special about b-o-f or b-o-l. Similar to EOF.

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