I personally will urge a lot of caution and a lot of review by different pairs of eyes and editing and settling on a common theme and style and brevity with the examples via a workflow that might borrow from ISO IEC standardization process before hosting this at fortran-lang.
I didn’t manage to look beyond the first description for ABS intrinsic where the first link I noticed “Standard” which is not strictly accurate: ANSI X3.9 1966 (FORTRAN 66) did support ABS as an intrinsic, albeit with a REAL argument only.
Separately it will be nice if instead of the *UX man page reference and style section numbering, a direct naming is applied:
Also, it is unclear to me how any licensing applies to description of intrinsics in an ISO IEC standard document, it might be better if the author(s) were to “donate” the effort to fortran-lang and for fortran-lang to seek approval from ISO on the nature of the content prior to hosting this:
