Type French Characters in Ubuntu

To enable typing French characters in Ubuntu:
System Settings -> Keyboard.
Switch to Shortcuts tab.
Select Typing in left nav.
Modify Compose Key from disable to Right Alt (i.e. Alt Gr) or any personal choice.

Accent	A	E	I	O	U	Type	Keyboard
'	á	é	í	ó	ú	Acute accent	single quote
"	ä	ë	ï	ö	ü	Diaeresis	double quotes
`	à	è	ì	ò	ù	Grave accent	grave
~	ã	ẽ	ĩ	õ	ũ		tilde
^	â	ê	î	ô	û	Circumflex accent	caret

Example: ê = [Right Alt] + [Shift] + [6], [e]


To add French support to LibreOffice Writer:
System Settings -> Language Support.
Click Install/Remove Languages and add French.
Restart LibreOffice Write and it should have French in dictionary.


In LibreOffice Write, Tool -> Language -> For all Text -> More.
Change Default languages for documents to French.