eg To add keybinding for jump-to-matching-element
- Go to File > Preferences > Keyboard Shortcuts
- enter: editor.emmet.action.matchTag
- click on the result record
- enter: ctrl+shift+5
- once that's accepted (warning you of duplicates) right-click and select Change When Expression
- enter: editorTextFocus
- now go to some source window and test that ctrl+% can jump between elements, eg 'div' elements