Method remove_underline

src/core/SpellChecker.cpp:171–174

}

void SpellChecker::remove_underline(TextPosition start, TextPosition end) const {
  m_editor.set_current_indicator(spell_check_indicator_id);
  m_editor.indicator_clear_range(start, end);
}

TextPosition SpellChecker::prev_token_begin_in_document(TextPosition start) const {
  TextPosition shift = 15;