[rb-general] BUILD_PATH_PREFIX_MAP code examples and test cases

[Ian Jackson]

Ximin Luo writes ("Re: [rb-general] BUILD_PATH_PREFIX_MAP code examples and test cases"):
> I think I generally agree with this, and I wasn't *too* pleased with the %pec stuff myself, but I thought picking another symbol would be "too random". I think % -> %# is fine though. I also had another idea:
> 
> % -> %@
> = -> %-
> : -> %.

This would be tolerable, but: "-" is a "word" character in some
programming languages, and therefore in some cut-and-paste regexps
etc.  And as I say in perl ""-quoted strings, "@" is a metacharacter
which needs \-escaping.  Which is why I suggested + . #

Thanks,
Ian.