svx *ref validity checking stuff now working fine

handbook/computing/regular.html

@@ -16,6 +16,12 @@
 
 
 <h3>Wallets and Surveyscans</h3>
+<p>Run dos2unix to convert any uploaded Windows text files to the format expected by our software. e.g. 
+<pre><code>cd expofiles/surveyscans
+find . -not -type d -exec file "{}" ";" | grep CRLF >crlf.txt
+`awk -F: '// {print "dos2unix \"" $1 "\""}' crlf.txt`
+</code></pre>
+<p>Also a good idea to run on all of expofiles once every few years as many GPX 
 
 <h3>Tunnel files (Drawings)</h3>