--- rxvt-unicode/src/screen.C	2010/10/09 22:33:45	1.348
+++ rxvt-unicode/src/screen.C	2011/01/08 10:15:36	1.362
@@ -146,6 +146,8 @@
   rend_t rend = l.r[col] & ~RS_baseattrMask;
   rend = SET_FONT (rend, FONTSET (rend)->find_font (' '));
 
+  l.touch ();
+
   // found start, nuke
   do {
     l.t[col] = ' ';
@@ -400,7 +402,7 @@
   free (tabs);
   tabs = (char *)rxvt_malloc (ncol);
 
-  for (int col = ncol; --col; )
+  for (int col = ncol; col--; )
     tabs [col] = col % TABSIZE == 0;
 
   CLEAR_ALL_SELECTION ();
@@ -900,14 +902,6 @@
 # endif
 #endif
 
-          // nuke the character at this position, if required
-          if (expect_false (
-                line->t[screen.cur.col] == NOCHAR
-                || (screen.cur.col < ncol - 1
-                    && line->t[screen.cur.col + 1] == NOCHAR)
-             ))
-            scr_kill_char (*line, screen.cur.col);
-
           rend_t rend = SET_FONT (rstyle, FONTSET (rstyle)->find_font (c));
 
           // if the character doesn't fit into the remaining columns...
@@ -924,6 +918,13 @@
                 screen.cur.col = ncol - width;
             }
 
+          // nuke the character at this position, if required
+          // due to wonderful coincidences everywhere else in this loop
+          // we never have to check for overwriting a wide char itself,
+          // only its tail.
+          if (expect_false (line->t[screen.cur.col] == NOCHAR))
+            scr_kill_char (*line, screen.cur.col);
+
           line->touch ();
 
           do
@@ -938,7 +939,8 @@
                   line->l = ncol;
                   if (screen.flags & Screen_Autowrap)
                     screen.flags |= Screen_WrapNext;
-                  break;
+
+                  goto end_of_line;
                 }
 
               c = NOCHAR;
@@ -946,16 +948,14 @@
           while (expect_false (--width > 0));
 
           // pad with spaces when overwriting wide character with smaller one
-          if (expect_false (!width))
+          for (int c = screen.cur.col; expect_false (c < ncol && line->t[c] == NOCHAR); c++)
             {
-              line->touch ();
-
-              for (int c = screen.cur.col; c < ncol && line->t[c] == NOCHAR; c++)
-                {
-                  line->t[c] = ' ';
-                  line->r[c] = rend;
-                }
+              line->t[c] = ' ';
+              line->r[c] = rend;
             }
+
+end_of_line:
+          ;
         }
 #if ENABLE_COMBINING
       else // width == 0
@@ -1028,6 +1028,8 @@
 #endif
         }
     }
+  else if (screen.flags & Screen_WrapNext)
+    screen.flags &= ~Screen_WrapNext;
   else
     scr_gotorc (0, -1, RELATIVE);
 }
@@ -2627,7 +2629,7 @@
 {
   int             row, wrote;
   unsigned int    width, towrite;
-  char            r1[] = "\n";
+  const char      r1[] = "\n";
 
   for (row = saveLines + top_row;
        row < saveLines + nrow - 1; row++)
@@ -2772,7 +2774,7 @@
         goto bailout;
 
       // realloc should be compatible to XFree, here, and elsewhere, too
-      ct.value = (unsigned char *)realloc (ct.value, ct.nitems + ct2.nitems + 1);
+      ct.value = (unsigned char *)rxvt_realloc (ct.value, ct.nitems + ct2.nitems + 1);
       memcpy (ct.value + ct.nitems, ct2.value, ct2.nitems + 1);
       ct.nitems += ct2.nitems;
 
@@ -2831,7 +2833,7 @@
       while (incr_buf_fill + ct.nitems > incr_buf_size)
         {
           incr_buf_size = incr_buf_size ? incr_buf_size * 2 : 128*1024;
-          incr_buf = (char *)realloc (incr_buf, incr_buf_size);
+          incr_buf = (char *)rxvt_realloc (incr_buf, incr_buf_size);
         }
 
       memcpy (incr_buf + incr_buf_fill, ct.value, ct.nitems);
@@ -2998,7 +3000,7 @@
 void
 rxvt_term::selection_make (Time tm)
 {
-  int i;
+  int size;
   wchar_t *new_selection_text;
   text_t *t;
 
@@ -3024,8 +3026,8 @@
   if (HOOK_INVOKE ((this, HOOK_SEL_MAKE, DT_LONG, (long)tm, DT_END)))
     return;
 
-  i = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
-  new_selection_text = (wchar_t *)rxvt_malloc ((i + 4) * sizeof (wchar_t));
+  size = (selection.end.row - selection.beg.row + 1) * (ncol + 1);
+  new_selection_text = (wchar_t *)rxvt_malloc ((size + 4) * sizeof (wchar_t));
 
   int ofs = 0;
   int extra = 0;
@@ -3041,7 +3043,7 @@
       if (selection.rect)
         {
           col = selection.beg.col;
-          end_col = ncol + 1;
+          end_col = selection.end.col;
         }
       else
 #endif
@@ -3049,11 +3051,7 @@
 
       col = max (col, 0);
 
-      if (row == selection.end.row
-#if !ENABLE_MINIMAL
-          || selection.rect
-#endif
-          )
+      if (row == selection.end.row)
         min_it (end_col, selection.end.col);
 
       t = ROW(row).t + col;
@@ -3071,9 +3069,9 @@
 
               if (extra < 0)
                 {
-                  extra += i;
-                  i += i;
-                  new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (i + 4) * sizeof (wchar_t));
+                  extra += size;
+                  size += size;
+                  new_selection_text = (wchar_t *)rxvt_realloc (new_selection_text, (size + 4) * sizeof (wchar_t));
                 }
 
               ofs += rxvt_composite.expand (*t++, new_selection_text + ofs);
@@ -3095,13 +3093,12 @@
         }
       else
 #endif
-        if (!ROW(row).is_longer () && row != selection.end.row)
+        if (!ROW(row).is_longer ()
+            && (row != selection.end.row || end_col != selection.end.col)
+            && (row != selection.beg.row || selection.beg.col < ncol))
           new_selection_text[ofs++] = C0_LF;
     }
 
-  if (end_col != selection.end.col)
-    new_selection_text[ofs++] = C0_LF;
-
   new_selection_text[ofs] = 0;
 
   if (ofs == 0)