spell, sprog - find spelling errors
spell [ options ] ... [ file ] ...
sprog [ options ] [ -f file ]
Spell looks up words from the named files (standard input default) in a spelling list and
places possible misspellings--words not sanctioned there--on the standard output.
Spell ignores constructs of troff(1) and its standard preprocessors. It understands these
-a Label each line of output with its address in the input, in the notation of acme(1)
-b Check British spelling.
-v Print all words not literally in the spelling list, with derivations.
-x Print, marked with every stem as it is looked up in the spelling list, along with
its affix classes.
As a matter of policy, spell does not admit multiple spellings of the same word. Variants
that follow general rules are preferred over those that don't, even when the unruly spell-
ing is more common. Thus, in American usage, `modelled', `sizeable', and `judgment' are
rejected in favor of `modeled', `sizable', and `judgement'. Agglutinated variants are
shunned: `crewmember' and `backyard' cede to `crew member' and `back yard' (noun) or
American spelling list
British spelling list
The actual spelling checker. It expects one word per line on standard input, and
takes the same arguments as spell.
source for sprog
The heuristics of deroff(1) used to excise formatting information are imperfect.
The spelling list's coverage is uneven; in particular biology, medicine, and chemistry,
and perforce proper names, not to mention languages other than English, are covered very