I thought autoscroll would use `SCI_LINESCROLL()` as a way to decide how much to scroll when `CARET_JUMPS=0`. I.e, the size of "one position" in above "move by one position when `CARET_JUMPS=0` ". Or maybe Scintilla dev.-s, by "one position" meant a character width, in https://www.scintilla.org/ScintillaDoc.html#SCI_SETXCARETPOLICY , see 2nd line, last column, in the table with: slop | strict | jumps | even