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The one classic COBOL feature I wanted in other languages was MOVE
CORRESPONDING -- being able to clone all or parts of a hierarchical structure.
It's the same concept as a DOM deep clone. It's probably found its way into XML
processing (unless its deprecated in newer COBOLs).
> I spent six months enhancing the schema compiler for a database product, which
was about 25K lines of COBOL.
String handling wasn't a COBOL strong point the last time I used it. That's why
a schema compiler or XML parser would be challenging. My guess is the new object
COBOL has a string class.
> MOVE 0 TO X.
or x = 0;