kprocess and krun already have it, so why not a third implementation of shell quoting? :)
no, seriously:
- this is the proper place, even if it comes handy at the other two locations
- the krun variant is not much loved, as it changes the argument in-place
- the kprocess variant will vanish RSN for reasons not explained herein :)
- this one is by far the coolest (and slowest ...) implementation of all :))