Handle '&' appearing in HTML output from tune titles.

It must be escaped or sed will substitute the pattern being searched for
at that point in the result.

makeWeb.sh

@@ -59,10 +59,10 @@ find $bookedir -name "*.abc" | sort |
         # Generate the tune web page.
         tunepage=${name}.html
 
-        sed -e "s/@TITLE@/${title}/" \
+        sed -e "s/@TITLE@/${title//&/\&}/" \
             -e "s/@TUNE@/${name}/" dottes.html.tune > $webdir/$tunepage
 
-        sed -e "s/@TITLE@/${title}/" \
+        sed -e "s/@TITLE@/${title//&/\&}/" \
             -e "s/@TUNE@/${name}/" dottes.html.tuneindex >> $webdir/$output
     done