better integration of svx file DatIssues

templates/dataissues.html

@@ -6,7 +6,7 @@
 <h1>Loading data from files: Issues arising that need attention</h1>
 
 <p>
-This is work in progress (April 2021).The URL links to the offending objects are not enabled yet.
+This is work in progress (April 2021).The URL links to the offending objects are enabled on only some types of fault as yet.
 <style>
 tr {    text-align:center;     
         font-family: Tahoma,'Trebuchet MS','Lucida Grande',Verdana, Arial, Helvetica, Sans-Serif;
@@ -19,8 +19,8 @@ td {    background : lightblue;     }
 <table>
 <tr><th>Parser</th><th>Issue</th></tr>
 {% for di  in didict %}
-    {% ifchanged di.parser %}
-        <tr {% cycle 'LightGoldenRodYellow' 'lightcyan' as mycolor %}>
+    {% ifchanged di.parser %}<!-- this combination of ifchnaged + cycle is a Django template idiom -->
+        <tr {% cycle 'LightGoldenRodYellow' 'palegreen' 'lightcyan'  'gainsboro' 'paleturquoise' as mycolor %}>
     {% else %}
         <tr>
     {% endifchanged %}

templates/svxfile.html

@@ -38,7 +38,11 @@ $(document).ready(function()
 {% endblock %}
 
 {% block content %}
+{% if warning %}
+<h1 style="color: red">Survex Template - will save as file '{{ title }}.svx'</h1>
+{% else %}
 <h1>Survex File: {{ title }}</h1>
+{% endif %}
 
 {% if svxincludes %}
     <p><b>Included files:</b>