LGTM, with some minor remarks.
https://codereview.appspot.com/551270043/diff/575420043/Documentation/notation/editorial.itely File Documentation/notation/editorial.itely (right): https://codereview.appspot.com/551270043/diff/575420043/Documentation/notation/editorial.itely#newcode496 Documentation/notation/editorial.itely:496: symbol in the form @code{'@var{FooBar}} or a string in the form If you use 'FooBar' as an example for an argument, it's better to *not* use '@var'. If you want to use '@var', say @code{'@var{color}} to make 'color' a meta-variable and use @var{color} in the surrounding text as a reference to it. https://codereview.appspot.com/551270043/diff/575420043/Documentation/notation/editorial.itely#newcode579 Documentation/notation/editorial.itely:579: Not all colors are distinguishable in a web browser, i.e. a web browser There should always a comma after 'i.e.', as far as I know. And please avoid lines longer than 80 characters. https://codereview.appspot.com/551270043/diff/575420043/Documentation/notation/notation-appendices.itely File Documentation/notation/notation-appendices.itely (right): https://codereview.appspot.com/551270043/diff/575420043/Documentation/notation/notation-appendices.itely#newcode863 Documentation/notation/notation-appendices.itely:863: Any name that is spelled as a single word with capitalization (e.g. AFAIK, there should always be a comma after 'e.g.'. This is especially important for the PDFs since by default `texinfo.tex` doesn't use frenchspacing, thus inserting a larger horizontal space after a full stop. https://codereview.appspot.com/551270043/