texinfo-format-ifeq

texinfo-format-ifeq is a compiled Lisp function in `texinfmt.el'.

(texinfo-format-ifeq)

If ARG1 and ARG2 caselessly string compare to same string, perform COMMAND.
Otherwise produces no output.

Thus:
@ifeq{ arg1 , arg1 , @code{foo}} bar

==> `foo' bar.
but
@ifeq{ arg1 , arg2 , @code{foo}} bar

==> bar

Note that the Texinfo command and its arguments must be arguments to
the @ifeq command.