On Thu, 02 Apr 2020, Joe Perches <joe@xxxxxxxxxxx> wrote: > On Thu, 2020-04-02 at 11:34 +0300, Jani Nikula wrote: >> Or could we conceive of a way to make this locally extensible yet safe, >> letting callers use something like %{foo}, as well as providing a >> locally relevant function to do the conversion? > > No. printf validation would be broken. I tossed the idea on a whim, and thinking further I could probably come up with a number of challenges, but care to elaborate on what you see as the problem in validation? BR, Jani. -- Jani Nikula, Intel Open Source Graphics Center