<PRIVATE
-: page-elt ( editor -- editor element ) dup visible-lines 1- <page-elt> ;
+: page-elt ( editor -- editor element ) dup visible-lines 1 - <page-elt> ;
PRIVATE>
: this-line-and-next ( document line -- start end )
[ nip 0 swap 2array ]
- [ [ nip 1+ ] [ 1+ swap doc-line length ] 2bi 2array ]
+ [ [ nip 1 + ] [ 1 + swap doc-line length ] 2bi 2array ]
2bi ;
: last-line? ( document line -- ? )