ed and VE: add command Y

blk/101

@@ -12,5 +12,5 @@ F xxx: find typed FBUF in block, starting from current
        position+1. If not found, don't move.
 I xxx: insert typed IBUF at cursor. "I" shadows core word. Use
        "i" to access it.
-X ( n -- ): Delete X chars after cursor and place in IBUF.
-E: Run X with n = length of FBUF.
+Y: Copy n characters after cursor into IBUF, n being length of
+   FBUF.                                                (cont.)

blk/102

@@ -0,0 +1,2 @@
+X ( n -- ): Delete X chars after cursor and place in IBUF.
+E: Run X with n = length of FBUF.

blk/112

@@ -8,4 +8,4 @@
     SWAP 0 FILL
     EDPOS @ 64 / _pln ;
 : E FBUF _blen X ;
-
+: Y FBUF _blen icpy ;

blk/122

@@ -6,8 +6,8 @@
 'w' moves forward by "modifier" words. 'b' moves backward.
 'W' moves to end-of-word. 'B', backwards.
 
-'I', 'F', 'X' and 'E' invoke the corresponding command from the
-Block Editor (B100). Refer to documentation there.
+'I', 'F', 'Y', 'X' and 'E' invoke the corresponding command
+from the Block Editor (B100). Refer to documentation there.
 
 'o' inserts a blank line after the cursor. 'O', before.
 

blk/128

@@ -3,6 +3,7 @@
 : $] BLK> @ acc@ + selblk ;
 : $I mode! 'I' EMIT IBUF 1 buftype _I contents mode! SPC ;
 : $F mode! 'F' EMIT FBUF 2 buftype _F setpos mode! SPC ;
+: $Y Y ;
 : $E E contents ;
 : $X acc@ X contents ;
 : $h -1 cmv ; : $l 1 cmv ; : $k -64 cmv ; : $j 64 cmv ;