This work is licensed under the GNU General Public License version 3 or any later version.
These are the default behaviours of
Press to insert the shown character
Long-press to open a selection of related characters.
Right click to insert the character in upper case.
Long-press popups are not only available for many letters, but also for digits, currency symbols and others.
Keys
Press once to activate for the next typed character only
Press a second time to keep it active
Press a third time to deactivate
Press and hold: on a multi-touch enabled device these keys can be held down with one finger while typing characters with another.
Keys
Press to toggle.
Note:
Word Suggestions can be enabled on preferences page "Typing Assistance".
Spelling suggestions like
Press the suggestion to replace the misspelled word
Press the arrow to show more spelling suggestions
Word completions and predictions:
Press any of suggestions to insert the word at the caret
Long-press any to show a popup menu for that suggestions
The popup menu currently allows to remove erroneous suggestions.