Programming for 42 years and using Borland IDEs for about 30 of those, my fingers "think" in the old Borland IDE key mappings. It's simple muscle memory.
That has been a source of deep frustration when using Lazarus. The "default" key mappings are quite illogical when you have been used to different mappings for so long. However, the "classic" (which I perceived as fitting Borland) mappings aren't much better. One key command that I use(d) quite frequently, specially after a global search&replace is the good old "Ctrl-Q P" (move cursor to last position).
In the "default" mappings, it works with Ctrl-H (which is quite counter-intuitive if you remember that this is/used to be a backspace) but there is no key mapped to that command in the "classic" scheme. And there is no such entry in the Editor options to map that key myself!?!

So how can this command be remapped to Ctrl-Q-P, as clearly there has to be a command, as it is performed in the "default" mappings to Ctrl-H...
thanks,
Ralf
PS: Using the "stock" Lazarus 1.8.4 release