Better fix for ISSUE#1031 (log messages not wrapping on changes pages). Multiple spaces are replaced with   (except for the last one) and single spaces are unchanged. This means significant whitespace is retained without prohibiting wrapping.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@6008 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/Util.java

@@ -456,6 +456,14 @@ public class Util {
             else
             if(ch=='&')
                 buf.append("&");
+            else
+            if(ch==' ') {
+                // All spaces in a block of consecutive spaces are converted to
+                // non-breaking space ( ) except for the last one.  This allows
+                // significant whitespace to be retained without prohibiting wrapping.
+                char nextCh = i+1 < text.length() ? text.charAt(i+1) : 0;
+                buf.append(nextCh==' ' ? "&nbsp;" : " ");
+            }
             else
                 buf.append(ch);
         }