Hey, just wanted to say something more that I found:
To type in the unicode (in Linux) is also possible this way:
• Hold Ctrl+Shift
• Press U
• Release Ctrl+Shift
• Type the unicode
• Press <Enter>
Found this while realised that Ctrl+Shift+D opens bookmarks dialog in the firefox
Ker Laeda - proud
Linux
user and a
Caped Carouser