discuss.answer
I figured it out! In the file: assets/components/ace/modx.texteditor.js, I inserted the following lines of code.
88 ace.require("ace/keybindings/vim");
89 this.editor.setKeyboardHandler("ace/keyboard/vim");
90
This worked for me.
But will you not lose this each time there is an upgrade?
TinymceWrapper: Complete back/frontend content solution.
Harden your MODX site by
passwording your three main folders:
core, manager, connectors and renaming your
assets (thank me later!)
5 ways to sniff / hack your own sites; even with renamed/hidden folders, burst them all up, to see how secure you are not.