Once 1.0 drops, I think it might be fun to make a package of underscore aliases.
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I find camel case solving most of such problems.
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I want to repeat an audacious suggestion made by someone I trust and respect (who might not want to be outed for it): what if - (just hear me out, ok?) - what if we silently ignored underscores in function names? That is, is_foo would be transparently equivalent to isfoo(). Sorta like how gmail deals with . in its email addresses.
Yes, there are probably lots of arguments why this is a Bad Idea, all sorts of horror stories about What Will Break, but it’s an intriguing idea in any case.
I’ve decided to make a Readable.jl package, that has nothing more than renaming of all base functions to have _ between words 
i.e.
const is_valid = Base.isvalid
const has_length = Base.haslength
const has_method = Base.hasmethod
const hash_index = Base.hashindex
(at least for the exported ones)
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