Unfortunately my English is bad :( In a few words: you will need a plugin Hotkeys and two commands.
In main menu - Options/Plug-ins..., double-click Hotkeys::Main and add:
1. Name: Move up
Command:
Awesome. Now it works like a charm.
Thank you both for the speedy replies. Great instructions, both verbal and visual.
I learned not just a thing or two, but a whole lot about blending scripts and plugins.
When exiting Akelpad I am warned that document was modified, do I want to save it? I were nice to see WHAT document each dialog refers to, in its title or along with the warning text.
Depending on Windows themes/ settings, it's hard to tell what tab is active, not to mention tiny tab fonts on hi-resolution monitors. It were easier to have this info right up front, in the dialog itself, the way it works in other programs.