[patch] make r work

[Christian Brabandt]

Hi Bram,
another patch fixing an issue from the todo list:

,----
| -   Make it possible to enter "r<C-E>" and "r<C-Y>" (get character
|     from line below/above).           
`----

regards,
Christian

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diff --git a/src/edit.c b/src/edit.c
--- a/src/edit.c
+++ b/src/edit.c
@@ -248,7 +248,7 @@
 #ifdef FEAT_DIGRAPHS
 static int  ins_digraph __ARGS((void));
 #endif
-static int  ins_copychar __ARGS((linenr_T lnum));
+int  ins_copychar __ARGS((linenr_T lnum));
 static int  ins_ctrl_ey __ARGS((int tc));
 #ifdef FEAT_SMARTINDENT
 static void ins_try_si __ARGS((int c));
@@ -9761,7 +9761,7 @@
  * Handle CTRL-E and CTRL-Y in Insert mode: copy char from other line.
  * Returns the char to be inserted, or NUL if none found.
  */
-    static int
+    int
 ins_copychar(lnum)
     linenr_T	lnum;
 {
diff --git a/src/normal.c b/src/normal.c
--- a/src/normal.c
+++ b/src/normal.c
@@ -7050,7 +7050,16 @@
 	    for (n = cap->count1; n > 0; --n)
 	    {
 		State = REPLACE;
-		ins_char(cap->nchar);
+		if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y)
+		{
+		  int c = ins_copychar(curwin->w_cursor.lnum + (cap->nchar == Ctrl_Y ? -1 : 1));
+		  if (c != NUL)
+		    ins_char(c);
+		  else
+		    ++curwin->w_cursor.col;	    /* will be decremented later down */
+		}
+		else
+		    ins_char(cap->nchar);
 		State = old_State;
 		if (cap->ncharC1 != 0)
 		    ins_char(cap->ncharC1);
@@ -7072,7 +7081,16 @@
 		 * line will be changed.
 		 */
 		ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
-		ptr[curwin->w_cursor.col] = cap->nchar;
+		if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y)
+		{
+		  int c;
+		  c = ins_copychar(curwin->w_cursor.lnum + (cap->nchar == Ctrl_Y ? -1 : 1));
+		  /* only insert a char, if there was one 1 line above/below */
+		  if (c != NUL)
+		    ptr[curwin->w_cursor.col] = c;
+		}
+		else
+		    ptr[curwin->w_cursor.col] = cap->nchar;
 		if (p_sm && msg_silent == 0)
 		    showmatch(cap->nchar);
 		++curwin->w_cursor.col;
diff --git a/src/proto/edit.pro b/src/proto/edit.pro
--- a/src/proto/edit.pro
+++ b/src/proto/edit.pro
@@ -39,4 +39,5 @@
 int hkmap __ARGS((int c));
 void ins_scroll __ARGS((void));
 void ins_horscroll __ARGS((void));
+int  ins_copychar __ARGS((linenr_T lnum));
 /* vim: set ft=c : */