orthography and speech are different notions in many important ways, yet it is easy for us to conflate them.
And he certainly practices what he preaches in terms of orthography.
And you don't need to take a course on orthography to appreciate that.
Lexical entries include information on orthography, morphology, and syntax.
Variants of this orthography allow for easier computer typesetting.
The orthography differs per island and even per group of people.
British Dictionary definitions for orthography
orthography
/ɔːˈθɒɡrəfɪ/
noun (pl) -phies
1.
a writing system
2.
spelling considered to be correct
the principles underlying spelling
3.
the study of spelling
4.
orthographic projection
Derived Forms
orthographer, orthographist, noun
Word Origin and History for orthography
n.
"correct or proper spelling," mid-15c., ortographie, from Middle French orthographie (Old French ortografie, 13c.), from Latin orthographia, from Greek orthographia "correct writing," from orthos "correct" (see ortho-) + root of graphein "to write" (see -graphy). Related: Orthographer.