Re: Jovial mainframe compilers.
"As someone who has been around DEC kit being used for safety related stuff in UK for three decades (either as development host, or target platform (eg European Air Traffic Control), or both) I can safely say that although I encountered several instances of Coral and a handful of RTL/2, I came across writeups of the language but never came across a real Jovial, host or target, and I'm not aware that any of my US colleagues did either. [Iirc, a few of the Coral applications started with 'BEGIN CORAL; BEGIN CODE;' followed by in-line assembler for the remainder of the application]"
For a more complete list of JOVIAL apps (and development hosts) can be found here.
http://progopedia.com/implementation/jovial/
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