vim-patch:7.4.269

Problem:  CTRL-U in Insert mode does not work after using a cursor key.
          (Pine Wu)
Solution: Use the original insert start position. (Christian Brabandt)

https://code.google.com/p/vim/source/detail?r=81c26975e8f9dc7435353581346542409403f296

src/edit.c

@@ -7339,8 +7339,8 @@ static int ins_bs(int c, int mode, int *inserted_space_p)
                ((curwin->w_cursor.lnum == 1 && curwin->w_cursor.col == 0)
                 || (!can_bs(BS_START)
                     && (arrow_used
-                        || (curwin->w_cursor.lnum == Insstart.lnum
+                        || (curwin->w_cursor.lnum == Insstart_orig.lnum
-                            && curwin->w_cursor.col <= Insstart.col)))
+                            && curwin->w_cursor.col <= Insstart_orig.col)))
                 || (!can_bs(BS_INDENT) && !arrow_used && ai_col > 0
                     && curwin->w_cursor.col <= ai_col)
                 || (!can_bs(BS_EOL) && curwin->w_cursor.col == 0)))) {
@@ -7378,15 +7378,14 @@ static int ins_bs(int c, int mode, int *inserted_space_p)
    * delete newline!
    */
   if (curwin->w_cursor.col == 0) {
-    lnum = Insstart.lnum;
+    lnum = Insstart_orig.lnum;
-    if (curwin->w_cursor.lnum == Insstart.lnum
+    if (curwin->w_cursor.lnum == lnum || revins_on) {
-        || revins_on
-        ) {
       if (u_save((linenr_T)(curwin->w_cursor.lnum - 2),
-              (linenr_T)(curwin->w_cursor.lnum + 1)) == FAIL)
+              (linenr_T)(curwin->w_cursor.lnum + 1)) == FAIL) {
         return FALSE;
-      --Insstart.lnum;
+      }
-      Insstart.col = MAXCOL;
+      --Insstart_orig.lnum;
+      Insstart_orig.col = MAXCOL;
     }
     /*
      * In replace mode:
@@ -7517,9 +7516,10 @@ static int ins_bs(int c, int mode, int *inserted_space_p)
       /* insert extra spaces until we are at want_vcol */
       while (vcol < want_vcol) {
         /* Remember the first char we inserted */
-        if (curwin->w_cursor.lnum == Insstart.lnum
+        if (curwin->w_cursor.lnum == Insstart_orig.lnum
-            && curwin->w_cursor.col < Insstart.col)
+            && curwin->w_cursor.col < Insstart_orig.col) {
-          Insstart.col = curwin->w_cursor.col;
+          Insstart_orig.col = curwin->w_cursor.col;
+        }
 
         if (State & VREPLACE_FLAG)
           ins_char(' ');
@@ -7584,8 +7584,8 @@ static int ins_bs(int c, int mode, int *inserted_space_p)
       } while (
         revins_on ||
         (curwin->w_cursor.col > mincol
-         && (curwin->w_cursor.lnum != Insstart.lnum
+         && (curwin->w_cursor.lnum != Insstart_orig.lnum
-             || curwin->w_cursor.col != Insstart.col)));
+             || curwin->w_cursor.col != Insstart_orig.col)));
     did_backspace = TRUE;
   }
   did_si = FALSE;
@@ -7601,9 +7601,10 @@ static int ins_bs(int c, int mode, int *inserted_space_p)
   AppendCharToRedobuff(c);
 
   /* If deleted before the insertion point, adjust it */
-  if (curwin->w_cursor.lnum == Insstart.lnum
+  if (curwin->w_cursor.lnum == Insstart_orig.lnum
-      && curwin->w_cursor.col < Insstart.col)
+      && curwin->w_cursor.col < Insstart_orig.col) {
-    Insstart.col = curwin->w_cursor.col;
+    Insstart_orig.col = curwin->w_cursor.col;
+  }
 
   /* vi behaviour: the cursor moves backward but the character that
    *		     was there remains visible

src/testdir/test29.in

@@ -101,6 +101,34 @@ if (condition) // Remove the next comment leader!
     action();
 }
 
+STARTTEST
+:" Test with backspace set to the non-compatible setting
+/^\d\+ this
+:set cp bs=2
+Avim1
+Avim2u
+:set cpo-=<
+:inoremap <c-u> <left><c-u>
+Avim3
+:iunmap <c-u>
+Avim4
+:" Test with backspace set to the compatible setting
+:set bs=
+A vim5A
+A vim6Azweiu
+:inoremap <c-u> <left><c-u>
+A vim7
+:set cp
+ENDTEST
+1 this shouldn't be deleted
+2 this shouldn't be deleted
+3 this shouldn't be deleted
+4 this should be deleted
+5 this shouldn't be deleted
+6 this shouldn't be deleted
+7 this shouldn't be deleted
+8 this shouldn't be deleted (not touched yet)
+
 STARTTEST
 /^{/+1
 :set comments=sO:*\ -,mO:*\ \ ,exO:*/

src/testdir/test29.ok

@@ -62,6 +62,15 @@ if (condition) // Remove the next comment leader! OK, I will.
     action();
 }
 
+1 this shouldn't be deleted
+2 this shouldn't be deleted
+3 this shouldn't be deleted
+4 this should be deleted3
+
+6 this shouldn't be deleted vim5
+7 this shouldn't be deleted vim6
+8 this shouldn't be deleted (not touched yet) vim7
+
 
 {
 /* Make sure the previous comment leader is not removed.  */

src/version.c

@@ -203,7 +203,7 @@ static char *(features[]) = {
 static int included_patches[] = {
   // Add new patch number below this line
   //270,
-  //269,
+  269,
   //268,
   //267,
   266,