The approved 4.0 Standard is here while the final version submitted for vote is here and the version originally submitted for comments is here
Language editing does not imply any change to the technical content of the Standard, which has already been approved.
A summary of the edits is given in Appendix H.4 in the edited document itself.
We present here some basic information to get an idea of the editing done. If you want more detail please look at this more detailed account, which also provides some details on the various steps during editing. In particular such web page provides also the difference files for the work done between Jun 25 and Jul 20. The final valid version and the Jul 20 version submitted for voting are identical, except that the colour-code highlighting and the draft markers have been removed in the final valid version,
If you want the ultimate level of detail look at the latexdiff output or at the difference between the LaTeX sources.
In case of doubts compare the actual document PDF or the latex sources, which are here:
|Item||2016 approved standard||Language edited version||Approved version|
The edits have been applied to the entire LaTeX source with the only exception of C-code comments (unchanged).
In addition to the real language-edits, the language-edited version includes also:
For the rest the edits are summarized in Appendix H.4, and listed in more detail separately. They include consistent word capitalization, hyphenation, punctuation (particularly commas), small numnbers in letters, minor rewording, consistent use of italics and typewriter fonts, as well as some edits which are not necessarily apparent in the printed version, but involve consistent use of LaTeX macros (for instance to indicate keyword names and values, or RFC 2119 shall, should, etc. obligations). For the latter the preamble of the LaTeX source contains (as LaTeX comments) a "guide for future authors".