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mathoms.c: Add a few coments

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Karl Williamson 2025-10-04 15:49:56 -06:00 committed by Karl Williamson
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commit 509e33b871
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@ -27,6 +27,9 @@
* 1) A function has been replaced by a macro within a minor release,
* so XS modules compiled against an older release will expect to
* still be able to link against the function
* 2) A function is deprecated, and so placing it here will cause a compiler
* warning to be generated (for participating compilers).
* 3) A few other reasons, documented with the functions below
*
* It used to be that this was the way to handle the case were a function
* Perl_foo(...) had been replaced by a macro. But see the 'm' flag discussion