<pre> bug fix

[David Hyatt]

The bug in Safari described here:

http://www.natural-innovations.com/test/sfripre.html

is a bug in Safari with the calculation of maxwidth for text runs with 
white-space: pre.

Here's the fix:

Index: khtml/rendering/render_text.cpp
===================================================================
RCS file: 
/local/home/cvs/Labyrinth/WebCore/khtml/rendering/render_text.cpp,v
retrieving revision 1.81
diff -u -p -r1.81 khtml/rendering/render_text.cpp
--- khtml/rendering/render_text.cpp	2003/09/25 16:51:10	1.81
+++ khtml/rendering/render_text.cpp	2003/09/27 21:00:58
@@ -965,10 +965,10 @@ void RenderText::trimmedMinMaxWidth(shor
          const Font *f = htmlFont( false );
          bool firstLine = true;
          beginMaxW = endMaxW = maxW;
-        for(int i = 0; i < len; i++)
+        for (int i = 0; i < len; i++)
          {
              int linelen = 0;
-            while( i+linelen < len && str->s[i+linelen] != '\n')
+            while (i+linelen < len && str->s[i+linelen] != '\n')
                  linelen++;

              if (linelen)
@@ -983,13 +983,16 @@ void RenderText::trimmedMinMaxWidth(shor
                      beginMaxW = endMaxW;
                  }
                  i += linelen;
-                if (i == len-1)
-                    endMaxW = 0;
              }
              else if (firstLine) {
                  beginMaxW = 0;
                  firstLine = false;
              }
+	
+	    if (i == len-1)
+	        // A <pre> run that ends with a newline, as in, e.g.,
+	        // <pre>Some text\n\n<span>More text</pre>
+	        endMaxW = 0;
          }
      }
  }