diff --git a/blk/100 b/blk/100
index 4377d6b..d234f82 100644
--- a/blk/100
+++ b/blk/100
@@ -1,7 +1,7 @@
 Block editor
 
 This is an application to conveniently browse the contents of
-the disk blocks and edit them. You can load it with "102 LOAD".
+the disk blocks and edit them. You can load it with "105 LOAD".
 
 Browse mode: If you execute BROWSE, the Forth interpreter is
 replaced by browser's loop. Typing "Q" quits the browser.
diff --git a/blk/102 b/blk/102
deleted file mode 100644
index faa13c5..0000000
--- a/blk/102
+++ /dev/null
@@ -1,14 +0,0 @@
-'? CASE NOT [IF] 51 52 LOADR+ [THEN] DROP ( B152-153 )
-'? FILL NOT [IF] 53 LOAD+ [THEN] DROP ( B155 )
-1 7 LOADR+
-: BROWSE
-    0 ACC ! L
-    BEGIN
-        KEY CASE
-            'Q' OF EXIT ENDOF
-            'B' OF B ENDOF
-            'N' OF N ENDOF
-            _NUM
-        ENDCASE
-    AGAIN
-;
diff --git a/blk/103 b/blk/103
deleted file mode 100644
index 7ec00d8..0000000
--- a/blk/103
+++ /dev/null
@@ -1,16 +0,0 @@
-CREATE ACC 0 ,
-: _LIST ." Block " DUP . NL LIST ;
-: _NUM
-    ACC @ SWAP _pdacc
-    IF _LIST 0 THEN
-    ACC !
-;
-: L BLK> @ _LIST ;
-: B BLK> @ 1- BLK@ L ;
-: N BLK> @ 1+ BLK@ L ;
-
-
-
-
-
-
diff --git a/blk/104 b/blk/104
deleted file mode 100644
index a64046c..0000000
--- a/blk/104
+++ /dev/null
@@ -1,13 +0,0 @@
-( Cursor position in buffer. EDPOS/64 is line number )
-CREATE EDPOS 0 ,
-CREATE IBUF 64 ALLOT0
-CREATE FBUF 64 ALLOT0
-: _cpos BLK( + ;
-: _lpos 64 * _cpos ;
-: _pln ( lineno -- )
-    DUP _lpos DUP 64 + SWAP DO ( lno )
-        I EDPOS @ _cpos = IF '^' EMIT THEN
-        I C@ DUP 0x20 < IF DROP 0x20 THEN
-        EMIT
-    LOOP ( lno ) 1+ . ;
-: _zbuf 64 0 FILL ; ( buf -- )
diff --git a/blk/105 b/blk/105
index 176a01b..66a36ac 100644
--- a/blk/105
+++ b/blk/105
@@ -1,12 +1,14 @@
-: _type ( buf -- )
-    C< DUP 0xd = IF 2DROP EXIT THEN SWAP DUP _zbuf ( c a )
-    BEGIN ( c a ) C!+ C< TUCK 0x0d = UNTIL ( c a ) C! ;
-( user-facing lines are 1-based )
-: T 1- DUP 64 * EDPOS ! _pln ;
-: P IBUF _type IBUF EDPOS @ _cpos 64 MOVE BLK!! ;
-: _mvln+ ( ln -- move ln 1 line down )
-    DUP 14 > IF DROP EXIT THEN
-    _lpos DUP 64 + 64 MOVE ;
-: _mvln- ( ln -- move ln 1 line up )
-    DUP 14 > IF DROP 15 _lpos _zbuf
-    ELSE 1+ _lpos DUP 64 - 64 MOVE THEN ;
+'? CASE NOT [IF] 48 49 LOADR+ [THEN] DROP ( B153-154 )
+'? FILL NOT [IF] 50 LOAD+ [THEN] DROP ( B155 )
+1 7 LOADR+
+: BROWSE
+    0 ACC ! L
+    BEGIN
+        KEY CASE
+            'Q' OF EXIT ENDOF
+            'B' OF B ENDOF
+            'N' OF N ENDOF
+            _NUM
+        ENDCASE
+    AGAIN
+;
diff --git a/blk/106 b/blk/106
index 9b2d09e..7ec00d8 100644
--- a/blk/106
+++ b/blk/106
@@ -1,5 +1,16 @@
-: _U ( U without P, used in VE )
-    15 EDPOS @ 64 / - 0 DO
-        14 I - _mvln+
-    LOOP ;
-: U _U P ;
+CREATE ACC 0 ,
+: _LIST ." Block " DUP . NL LIST ;
+: _NUM
+    ACC @ SWAP _pdacc
+    IF _LIST 0 THEN
+    ACC !
+;
+: L BLK> @ _LIST ;
+: B BLK> @ 1- BLK@ L ;
+: N BLK> @ 1+ BLK@ L ;
+
+
+
+
+
+
diff --git a/blk/107 b/blk/107
index cb7aade..a64046c 100644
--- a/blk/107
+++ b/blk/107
@@ -1,10 +1,13 @@
-: _F ( F without _type and _pln. used in VE )
-    FBUF EDPOS @ _cpos 1+ ( a1 a2 )
-    BEGIN
-        C@+ ROT ( a2+1 c2 a1 ) C@+ ROT ( a2+1 a1+1 c1 c2 )
-        = NOT IF DROP FBUF THEN ( a2 a1 )
-        TUCK C@ 0xd = ( a1 a2 f1 )
-        OVER BLK) = OR ( a1 a2 f1|f2 )
-    UNTIL ( a1 a2 )
-    DUP BLK) < IF BLK( - FBUF + -^ EDPOS ! ELSE DROP THEN ;
-: F FBUF _type _F EDPOS @ 64 / _pln ;
+( Cursor position in buffer. EDPOS/64 is line number )
+CREATE EDPOS 0 ,
+CREATE IBUF 64 ALLOT0
+CREATE FBUF 64 ALLOT0
+: _cpos BLK( + ;
+: _lpos 64 * _cpos ;
+: _pln ( lineno -- )
+    DUP _lpos DUP 64 + SWAP DO ( lno )
+        I EDPOS @ _cpos = IF '^' EMIT THEN
+        I C@ DUP 0x20 < IF DROP 0x20 THEN
+        EMIT
+    LOOP ( lno ) 1+ . ;
+: _zbuf 64 0 FILL ; ( buf -- )
diff --git a/blk/108 b/blk/108
index 851f3be..176a01b 100644
--- a/blk/108
+++ b/blk/108
@@ -1,15 +1,12 @@
-: _blen ( buf -- length of str in buf )
-    DUP BEGIN C@+ EOL? UNTIL -^ 1- ;
-: _rbufsz ( size of linebuf to the right of curpos )
-    EDPOS @ 64 MOD 63 -^ ;
-: i COMPILE I ; IMMEDIATE ( save overshadowed )
-: _I ( I without _pln and _type. used in VE )
-    _rbufsz IBUF _blen 2DUP > IF
-        TUCK - ( ilen chars-to-move )
-        SWAP EDPOS @ _cpos 2DUP + ( ctm ilen a a+ilen )
-        3 PICK MOVE- ( ctm ilen )
-        NIP ( ilen )
-    ELSE DROP ( ilen becomes rbuffsize )
-    THEN
-    DUP IBUF EDPOS @ _cpos ROT MOVE ( ilen ) EDPOS +! BLK!! ;
-: I IBUF _type _I EDPOS @ 64 / _pln ;
+: _type ( buf -- )
+    C< DUP 0xd = IF 2DROP EXIT THEN SWAP DUP _zbuf ( c a )
+    BEGIN ( c a ) C!+ C< TUCK 0x0d = UNTIL ( c a ) C! ;
+( user-facing lines are 1-based )
+: T 1- DUP 64 * EDPOS ! _pln ;
+: P IBUF _type IBUF EDPOS @ _cpos 64 MOVE BLK!! ;
+: _mvln+ ( ln -- move ln 1 line down )
+    DUP 14 > IF DROP EXIT THEN
+    _lpos DUP 64 + 64 MOVE ;
+: _mvln- ( ln -- move ln 1 line up )
+    DUP 14 > IF DROP 15 _lpos _zbuf
+    ELSE 1+ _lpos DUP 64 - 64 MOVE THEN ;
diff --git a/blk/109 b/blk/109
index c3380ac..9b2d09e 100644
--- a/blk/109
+++ b/blk/109
@@ -1,9 +1,5 @@
-: X ( len -- , delete len chars after curpos )
-    EDPOS @ _cpos 2DUP + ( l a1 a1+l )
-    SWAP _rbufsz MOVE ( l )
-    ( get to next line - l )
-    DUP EDPOS @ 0xffc0 AND 0x40 + -^ _cpos ( l a )
-    SWAP 0 FILL
-    EDPOS @ 64 / _pln ;
-: E FBUF _blen X ;
-
+: _U ( U without P, used in VE )
+    15 EDPOS @ 64 / - 0 DO
+        14 I - _mvln+
+    LOOP ;
+: U _U P ;
diff --git a/blk/110 b/blk/110
new file mode 100644
index 0000000..cb7aade
--- /dev/null
+++ b/blk/110
@@ -0,0 +1,10 @@
+: _F ( F without _type and _pln. used in VE )
+    FBUF EDPOS @ _cpos 1+ ( a1 a2 )
+    BEGIN
+        C@+ ROT ( a2+1 c2 a1 ) C@+ ROT ( a2+1 a1+1 c1 c2 )
+        = NOT IF DROP FBUF THEN ( a2 a1 )
+        TUCK C@ 0xd = ( a1 a2 f1 )
+        OVER BLK) = OR ( a1 a2 f1|f2 )
+    UNTIL ( a1 a2 )
+    DUP BLK) < IF BLK( - FBUF + -^ EDPOS ! ELSE DROP THEN ;
+: F FBUF _type _F EDPOS @ 64 / _pln ;
diff --git a/blk/111 b/blk/111
new file mode 100644
index 0000000..851f3be
--- /dev/null
+++ b/blk/111
@@ -0,0 +1,15 @@
+: _blen ( buf -- length of str in buf )
+    DUP BEGIN C@+ EOL? UNTIL -^ 1- ;
+: _rbufsz ( size of linebuf to the right of curpos )
+    EDPOS @ 64 MOD 63 -^ ;
+: i COMPILE I ; IMMEDIATE ( save overshadowed )
+: _I ( I without _pln and _type. used in VE )
+    _rbufsz IBUF _blen 2DUP > IF
+        TUCK - ( ilen chars-to-move )
+        SWAP EDPOS @ _cpos 2DUP + ( ctm ilen a a+ilen )
+        3 PICK MOVE- ( ctm ilen )
+        NIP ( ilen )
+    ELSE DROP ( ilen becomes rbuffsize )
+    THEN
+    DUP IBUF EDPOS @ _cpos ROT MOVE ( ilen ) EDPOS +! BLK!! ;
+: I IBUF _type _I EDPOS @ 64 / _pln ;
diff --git a/blk/112 b/blk/112
new file mode 100644
index 0000000..c3380ac
--- /dev/null
+++ b/blk/112
@@ -0,0 +1,9 @@
+: X ( len -- , delete len chars after curpos )
+    EDPOS @ _cpos 2DUP + ( l a1 a1+l )
+    SWAP _rbufsz MOVE ( l )
+    ( get to next line - l )
+    DUP EDPOS @ 0xffc0 AND 0x40 + -^ _cpos ( l a )
+    SWAP 0 FILL
+    EDPOS @ 64 / _pln ;
+: E FBUF _blen X ;
+
diff --git a/blk/125 b/blk/125
index 19e4dcb..fdddc02 100644
--- a/blk/125
+++ b/blk/125
@@ -1,3 +1,3 @@
 '? UPPER NOT [IF] 33 LOAD+ [THEN] DROP ( B158 )
--23 LOAD+ ( B102, block editor )
+-20 LOAD+ ( B105, block editor )
 1 6 LOADR+