(xemacsp, version18p, version-20p):

(xemacsp, version18p, version-20p):
Add ispell- prefix.

Only define dictionaries in menus when they exist.
(version18p): New variable.
(version20p): New variable.
(xemacsp): New variable.
(ispell-choices-win-default-height): Fix for XEmacs visibility.
(ispell-dictionary-alist1): Added Brasileiro dictionary.
(ispell-dictionary-alist6): Russian command lines no longer accept
run-together words.
(ispell-local-dictionary-alist): Add koi8-r to customize definition.
(ispell-dictionary-alist): Add koi8-r to customize definition.
(check-ispell-version): Added documentation string.  Returns
library path when called non-interactively.
(ispell-menu-map-needed): Uses new variables.
(ispell-library-path): New variable.
(ispell-decode-string): XEmacs fix for bogus variable bindings.
(ispell-word): Improved documentation string.  Test for valid
character mappings.  Correctly check typed in word changes that can
result in single words split into multiple words.  Returns
replacement word.
(ispell-command-loop): Fixes XEmacs display bugs.  Show word to
replace in recursive query replace mode.  Help message for
recursive edit mode.
(ispell-show-choices): Protect against bad framepop bindings.
(ispell-help): Fix to work with XEmacs.
(ispell-highlight-spelling-error): Use new variables.
(ispell-overlay-window): Fix to work with XEmacs.
(ispell-parse-output): Passed and returns location information
tracking spelling corrections.  Doesn't recheck same word on
current line.
(ispell-init-process): Protect against bogus XEmacs variable binding.
Fix call to single argument in sleep-for.  Use new variables.
(ispell-region): Passed and returns location information tracking
spelling corrections.  Doesn't check same word on current line.
Improved documentation string.  Doesn't resend a line already
checked to the ispell process - fixes bug in LaTeX parsing.
(ispell-begin-skip-region-regexp): No longer skips <TT> in SGML.
(ispell-skip-region): No longer skips <TT> in SGML.
(ispell-process-line): Tracks location information with spelling
corrections.  Added documentation string.  Accounts for words
already accepted on this line.  Don't allow query-replace on line
starting with math characters.  Doesn't resend a line already sent
to ispell process.  Fixes alignment error bug.