Currently, Alt+Home/End put the caret to the beginning/end of the wrapped subline, Shift+Alt+Home toggles between selection to line start with/out indentation, and Shift+Alt+End selects to line end.
Change these to ignore indentation and subline boundaries, always putting caret/selecting to line start/end.
Example (a single wrapped line with 3 sublines, . = space):
Currently, Alt+Home/End put the caret to the beginning/end of the wrapped subline, Shift+Alt+Home toggles between selection to line start with/out indentation, and Shift+Alt+End selects to line end.
Change these to ignore indentation and subline boundaries, always putting caret/selecting to line start/end.
Example (a single wrapped line with 3 sublines,
.
= space):Alt+Home:
|..abcd
Shift+Alt+Home:[..abcd ef]gh
Alt+End:ij|
Shift+Alt+End:[gh ij]
(matches current behaviour)