xtermで左マージン上にカーソルがある時にCRが正しく働かない現象の修正。

cursor.c.diff

--- cursor.c.orig  2012-06-04 04:57:47.000000000 +0900
+++ cursor.c	2013-06-06 19:35:14.000000000 +0900
@@ -265,19 +265,19 @@
 void
 CarriageReturn(XtermWidget xw)
 {
     TScreen *screen = TScreenOf(xw);
     int left = ScrnLeftMargin(xw);
     int col;
 
     if (xw->flags & ORIGIN) {
 	col = left;
-    } else if (screen->cur_col > left) {
+    } else if (screen->cur_col >= left) {
 	col = left;
     } else {
 	/*
 	 * If origin-mode is not active, it is possible to use cursor
 	 * addressing outside the margins.  In that case we will go to the
 	 * first column rather than following the margin.
 	 */
 	col = 0;
     }