Use server-side includes (with Apache XBitHack setting) in web.

This means that we can have one main web page, dottes.html, for each
book and include the intro and tunelist to make the page. This removes
the separate header and footer components.

Perhaps we should use a template engine instead to generate the output.
That means choosing one. And preferably one that isn't aimed only at
HTML so we could use it for the printed books. More research required.

dottes.html

@@ -21,6 +21,7 @@
 
     <div class="grid_12 dottes-body">
       <h1>@SUBTITLE@</h1>
+      <!--#include file="intro.html" -->
       <p>@INTRO@
       <p>You can download a PDF with a booklet of these tunes. There is an
         <a href="@BOOK@-A5.pdf">A5 landscape book</a> with one
@@ -40,3 +41,9 @@
     <div class="grid_12 dottes-body">
       <h1>The tunes</h1>
       <div class="dottes-tune-list">
+        <!--#include file="tunelist.html" -->
+      </div>
+    </div>
+  </div>
+</body>
+</html>

dottes.html.footer

@@ -1,4 +0,0 @@
-</div>
-</div>
-</body>
-</html>

makeWeb.sh

@@ -24,6 +24,7 @@ bookedir=$dir/$1
 webdir=$dir/web/$1
 graphicsdir=$dir/graphics/$1
 output=index.html
+tunelist=tunelist.html
 booke=$1
 masterbooke=$2
 title=$booke
@@ -37,9 +38,6 @@ intro=
 if [ -r $bookedir/subtitle.txt ]; then
     subtitle=`cat $bookedir/subtitle.txt`
 fi
-if [ -r $bookedir/intro.txt ]; then
-    intro=`txt2tags --no-headers --target=html --outfile=- $bookedir/intro.txt`
-fi
 
 if [ -n "$instrument" ]; then
     title="${title} ($instrument)"
@@ -49,8 +47,20 @@ fi
 mkdir -p $webdir
 
 sed -e "s/@BUILD@/$buildno/" -e "s/@SUBTITLE@/$subtitle/" \
-    -e "s/@TITLE@/$title/" -e "s/@INTRO@/$intro/" \
-    -e "s/@BOOK@/$booke/" dottes.html.header > $webdir/$output
+    -e "s/@TITLE@/$title/" -e "s/@BOOK@/$booke/" dottes.html > $webdir/$output
+
+# Mark output as executable so it is scanned for server-side includes.
+chmod +x $webdir/$output
+
+for item in intro
+do
+    rm -f $webdir/$item.html
+    if [ -r $booke/$item.txt ]; then
+        txt2tags --no-headers --target=html --outfile=$webdir/$item.html $booke/$item.txt
+    else
+        touch $webdir/$item.html
+    fi
+done
 
 # Copy in the book PDFs. Like the graphics, Midi etc. these are assumed
 # to be already generated.
@@ -103,7 +113,5 @@ find $bookedir -name "*.abc" | sort |
             -e "s/@TUNE@/${name}/" dottes.html.tune > $webdir/$tunepage
 
         sed -e "s/@TITLE@/${title//&/\&}/" \
-            -e "s/@TUNE@/${name}/" dottes.html.tuneindex >> $webdir/$output
+            -e "s/@TUNE@/${name}/" dottes.html.tuneindex >> $webdir/$tunelist
     done
-
-cat dottes.html.footer >> $webdir/$output