I'm curious as to which language was the first to literally have a formatted text output procedure called
printf. A trivial question, sure, but I was prompted to ask by a recent question on ZSPL.
I'll accept a language statement in lieu of a procedure/function/subroutine, but it has to be spelled
printf (or variants involving upper case, bold, or underlined letters). Other formatted I/O, such as FORTRAN's
FORMAT facilities, don't count.
I think the answer is Algol68, but that might just be historical ignorance on my part. For what its worth, Algol68 treated a format not as a string but as a unique datatype with its own denotation.
Similar but not quite
printf arrangements could also be interesting, even if not the specific answer I'm asking for.
printf, or are you interested in the
%style formatting specifiers as used in the C