OTHERCHARS slots of the alist should contain the same character
set as casechars and otherchars in the LANGUAGE.aff file \(e.g.,
english.aff). Aspell and Hunspell don't have this limitation.
-Allso, when the speller program is \"aspell\" or \"hunspell\",
+Also, when the speller program is \"aspell\" or \"hunspell\",
some parts of the database, notably OTHERCHARS, will be determined
by parsing the dictionary data files, see `ispell-aspell-find-dictionary'
and `ispell-parse-hunspell-affix-file'.")