Quickfix patch for Term2 1.0.0.20130602 beta rendering bug.

iterm2-quickfix-rendering.diff

diff --git a/PTYTextView.m b/PTYTextView.m
index a08115e..1cf1251 100644
--- a/PTYTextView.m
+++ b/PTYTextView.m
@@ -6150,6 +6150,7 @@ static double EuclideanDistance(NSPoint p1, NSPoint p2) {
     CGFloat curX = initialPoint.x;
     CharacterRun *thisChar = [[[CharacterRun alloc] init] autorelease];
     thisChar.advancedFontRendering = advancedFontRendering;
+    BOOL doubleWidthCache = NO;
     for (int i = indexRange.location; i < indexRange.location + indexRange.length; i++) {
         if (theLine[i].code == DWC_RIGHT) {
             continue;
@@ -6278,7 +6279,7 @@ static double EuclideanDistance(NSPoint p1, NSPoint p2) {
             // imply pointer equality). This is fragile but fast and any false
             // negatives have a minor performance hit.
             BOOL beginNewRun = NO;
-            if (!havePrevChar || ![thisChar isCompatibleWith:prevChar]) {
+            if (doubleWidth != doubleWidthCache || !havePrevChar || ![thisChar isCompatibleWith:prevChar]) {
                 beginNewRun = YES;
                 havePrevChar = YES;
             }
@@ -6317,6 +6318,7 @@ static double EuclideanDistance(NSPoint p1, NSPoint p2) {
         prevChar.color = thisChar.color;
         prevChar.fakeBold = thisChar.fakeBold;
         prevChar.antiAlias = thisChar.antiAlias;
+        doubleWidthCache = doubleWidth;
     }
     [currentRun commit];