diff --git a/mercurial/templates/monoblue/bookmarks.tmpl b/mercurial/templates/monoblue/bookmarks.tmpl
--- a/mercurial/templates/monoblue/bookmarks.tmpl
+++ b/mercurial/templates/monoblue/bookmarks.tmpl
@@ -26,7 +26,7 @@
             <li class="current">bookmarks</li>
             <li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
             <li><a href="{url|urlescape}file/{node|short}{sessionvars%urlparameter}">files</a></li>
-	    <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
+            <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
         </ul>
     </div>
 
diff --git a/mercurial/templates/monoblue/branches.tmpl b/mercurial/templates/monoblue/branches.tmpl
--- a/mercurial/templates/monoblue/branches.tmpl
+++ b/mercurial/templates/monoblue/branches.tmpl
@@ -26,7 +26,7 @@
             <li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
             <li class="current">branches</li>
             <li><a href="{url|urlescape}file/{node|short}{sessionvars%urlparameter}">files</a></li>
-	    <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
+            <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
         </ul>
     </div>
 
diff --git a/mercurial/templates/monoblue/changelog.tmpl b/mercurial/templates/monoblue/changelog.tmpl
--- a/mercurial/templates/monoblue/changelog.tmpl
+++ b/mercurial/templates/monoblue/changelog.tmpl
@@ -27,7 +27,7 @@
             <li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
             <li><a href="{url|urlescape}file/{node|short}{sessionvars%urlparameter}">files</a></li>
             {archives%archiveentry}
-	    <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
+            <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
         </ul>
     </div>
 
diff --git a/mercurial/templates/monoblue/graph.tmpl b/mercurial/templates/monoblue/graph.tmpl
--- a/mercurial/templates/monoblue/graph.tmpl
+++ b/mercurial/templates/monoblue/graph.tmpl
@@ -27,7 +27,7 @@
             <li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
             <li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
             <li><a href="{url|urlescape}file/{node|short}{sessionvars%urlparameter}">files</a></li>
-	    <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
+            <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
         </ul>
     </div>
 
diff --git a/mercurial/templates/monoblue/help.tmpl b/mercurial/templates/monoblue/help.tmpl
--- a/mercurial/templates/monoblue/help.tmpl
+++ b/mercurial/templates/monoblue/help.tmpl
@@ -26,7 +26,7 @@
             <li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
             <li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
             <li><a href="{url|urlescape}file/{node|short}{sessionvars%urlparameter}">files</a></li>
-	    <li class="current">help</li>
+            <li class="current">help</li>
         </ul>
     </div>
 
diff --git a/mercurial/templates/monoblue/helptopics.tmpl b/mercurial/templates/monoblue/helptopics.tmpl
--- a/mercurial/templates/monoblue/helptopics.tmpl
+++ b/mercurial/templates/monoblue/helptopics.tmpl
@@ -26,7 +26,7 @@
             <li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
             <li><a href="{url|urlescape}help{sessionvars%urlparameter}">branches</a></li>
             <li><a href="{url|urlescape}file/{node|short}{sessionvars%urlparameter}">files</a></li>
-	    <li class="current">help</li>
+            <li class="current">help</li>
         </ul>
     </div>
 
diff --git a/mercurial/templates/monoblue/manifest.tmpl b/mercurial/templates/monoblue/manifest.tmpl
--- a/mercurial/templates/monoblue/manifest.tmpl
+++ b/mercurial/templates/monoblue/manifest.tmpl
@@ -26,7 +26,7 @@
             <li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
             <li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
             <li class="current">files</li>
-	    <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
+            <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
         </ul>
     </div>
 
diff --git a/mercurial/templates/monoblue/map b/mercurial/templates/monoblue/map
--- a/mercurial/templates/monoblue/map
+++ b/mercurial/templates/monoblue/map
@@ -93,7 +93,7 @@ annotateline = '
   <tr class="parity{parity}">
     <td class="linenr">
       <a href="{url|urlescape}annotate/{node|short}/{file|urlescape}{sessionvars%urlparameter}#l{targetline}"
-	 title="{node|short}: {desc|escape|firstline}">{author|user}@{rev}</a>
+         title="{node|short}: {desc|escape|firstline}">{author|user}@{rev}</a>
     </td>
     <td class="lineno">
       <a href="#{lineid}" id="{lineid}">{linenumber}</a>
diff --git a/mercurial/templates/monoblue/shortlog.tmpl b/mercurial/templates/monoblue/shortlog.tmpl
--- a/mercurial/templates/monoblue/shortlog.tmpl
+++ b/mercurial/templates/monoblue/shortlog.tmpl
@@ -26,8 +26,8 @@
             <li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
             <li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
             <li><a href="{url|urlescape}file/{node|short}{sessionvars%urlparameter}">files</a></li>
-	    {archives%archiveentry}
-	    <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
+            {archives%archiveentry}
+            <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
         </ul>
     </div>
 
diff --git a/mercurial/templates/monoblue/summary.tmpl b/mercurial/templates/monoblue/summary.tmpl
--- a/mercurial/templates/monoblue/summary.tmpl
+++ b/mercurial/templates/monoblue/summary.tmpl
@@ -26,7 +26,7 @@
             <li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
             <li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
             <li><a href="{url|urlescape}file/{node|short}{sessionvars%urlparameter}">files</a></li>
-	    <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
+            <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
         </ul>
     </div>
 
diff --git a/mercurial/templates/monoblue/tags.tmpl b/mercurial/templates/monoblue/tags.tmpl
--- a/mercurial/templates/monoblue/tags.tmpl
+++ b/mercurial/templates/monoblue/tags.tmpl
@@ -26,7 +26,7 @@
             <li><a href="{url|urlescape}bookmarks{sessionvars%urlparameter}">bookmarks</a></li>
             <li><a href="{url|urlescape}branches{sessionvars%urlparameter}">branches</a></li>
             <li><a href="{url|urlescape}file/{node|short}{sessionvars%urlparameter}">files</a></li>
-	    <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
+            <li><a href="{url|urlescape}help{sessionvars%urlparameter}">help</a></li>
         </ul>
     </div>