Vim bindings appear not to work in Firefox on Android

[henrebotha]

If I enable Vim bindings, simple commands like ggdShift-g (go to start of editor and delete to end of editor) don't do what I expect at all. I can't explain what happens, it's too confusing. For one thing, it appears to insert some characters, which should be entirely off the table.

System

• Firefox 139.0.3
• Samsung Galaxy S23 (SM-S911B/DS) running Android 15/One UI 7 (latest official OS version)
• I'm using the Heliboard open source keyboard to provide keycodes such as Esc and Ctrl for Vim purposes

Additional notes

These issues are not present in Obsidian, which at present I think uses CodeMirror 6 on Android to provide its Vim bindings.