gh-97928: Fix handling options starting with "-" in tkinter.Text.count() (GH-98436)

Previously they were silently ignored. Now they are errors.
(cherry picked from commit e4ec8de6fa6f0a07e64f6a3e3f894926b4b0652d)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Miss Islington (bot) committed 3y ago

30b9c4d7842d97abbc49d57e031671d60704723b

Parent: a847255

Committed by GitHub <noreply@github.com> on 10/19/2022, 9:57:27 AM