nolta/julia — comment on commit 92334cd23f8a4b921464fc9ebbf7aba234748aec
File: j/string.j line 360
By StefanKarpinski:

We should probably make `uppercase` and `lowercase` the canonical names and have `uc` and `lc` be the abbreviations. Also, function aliases should always be `const` — otherwise you can reassign them. Function definitions are implicitly `const` but regular assignments like this aren't.