GDB and Modula-2
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   Some GDB commands have little use when debugging Modula-2 programs.
Five subcommands of `set print' and `show print' apply specifically to
C and C++: `vtbl', `demangle', `asm-demangle', `object', and `union'.
The first four apply to C++, and the last to the C `union' type, which
has no direct analogue in Modula-2.

   The `@' operator (see Expressions: Expressions.), while available
while using any language, is not useful with Modula-2.  Its intent is
to aid the debugging of "dynamic arrays", which cannot be created in
Modula-2 as they can in C or C++.  However, because an address can be
specified by an integral constant, the construct `{TYPE}ADREXP' is
still useful.  (see Expressions: Expressions.)

   In GDB scripts, the Modula-2 inequality operator `#' is interpreted
as the beginning of a comment.  Use `<>' instead.