[msla]

PL/I is syntactically like Algol, or Pascal, or C with more words and fewer brackets. At heart, it's a "normal" block-structured procedural programming language, which proves that a C clone could adopt the same basic idea.

[int_19h]

XQuery is probably a more recent example of that. No reserved words there, just syntax.

https://www.w3.org/TR/xquery-30/#nt-bnf