Thanks for comment (++) because the more precision we can manage in the end product (within the limits of the brevity espoused by other respondents), the better that product will serve us.

I think your "nitpick" is well taken because, as I understand it, the most common IT useage is in the sense Don't use this, because the "command" or "statement" may become obsolete.

I'm torn, however, about adopting that suggestion and hope others will weigh in because "discouraged" is the first (3rd overall, with the first two labeled "archaic") current definition for "deprecate" in Merriam-Webster's book while Cambridge ("Advanced Learners Dictionary") cites "disapprove" first.

:-) Aside: Personally, I'm much taken by the second archaic sense:

b: to seek to avert
<deprecate the wrath…of the Roman people — Tobias Smollett>

...if we just s/Roman people/Perl Monks/

And re the consistency argument, we're already inconsistent: Perl Monks Approved HTML tags does indeed discourage or strongly discourage some markup, including <br> while Writeup Formatting Tips specifically encourages it:
"Use a <br> or a <br/> to get a line-break...."