Correct web generation.

1. Subtitle and composer to be HTML not Latex.
2. Fix escaping of & in sed patterns.

Library/Mourisque.abc

@@ -0,0 +1,14 @@
+X:1
+T:La Mourisque
+T:La Basse danse 5
+R:March
+C:Tielman Susato 1551
+O:Flemish
+N:Credit: Paul Hardy's Session Tunebook
+Z:Paul Hardy's Session Tunebook 2014 (see www.paulhardy.net). Creative Commons cc by-nc-sa licenced.
+M:4/4
+L:1/4
+Q:1/4=180
+K:G
+"G"B/ c/ d d e|d3 c|B G "Em"G A|"Am7"F>E "D"D2|"G"B/ c/ d d e|d3 c|B/A/ "D"G A F|"G"G3 A:|
+|:"G"B G G A|B G "C"c A|"G"B G "Em"G A|"Am"F>E "D7"D2|"G"B G G A|B G "C"c A|"G"B/A/ "D"G A F|"G"G4:|

makeWeb.sh

@@ -108,10 +108,10 @@ find $bookedir -name "*.abc" | sort |
         title=`$dir/abcfield.py --field T --html $filename`
         fixtitle "$title"
         title=$retval
-        subtitle=`$dir/abcfield.py --index 2 --field T --latex $filename`
+        subtitle=`$dir/abcfield.py --index 2 --field T --html $filename`
         fixtitle "$subtitle"
         subtitle=$retval
-        composer=`$dir/abcfield.py --field C --latex $filename`
+        composer=`$dir/abcfield.py --field C --html $filename`
         changefile=`$dir/abcfield.py --field N --contains "Change:" $filename | sed -e "s/Change: *//"`
         changetitle=""
         changevisibility="no"
@@ -154,12 +154,12 @@ find $bookedir -name "*.abc" | sort |
 
         # If the title contains HTML character entities, escape
         # initial '&' in the title - it means things to sed.
-        sed -e "s/@TITLE@/${title//&/\&}/" \
+        sed -e "s/@TITLE@/${title//&/\\&}/" \
             -e "s/@SUBTITLE@/${subtitle}/" \
             -e "s/@COMPOSER@/${composer}/" \
             -e "s/@KEY@/${key}/" \
             -e "s/@MASTERBOOKE@/${masterbooke}/" \
-            -e "s/@CHANGETITLE@/${changetitle//&/\&}/" \
+            -e "s/@CHANGETITLE@/${changetitle//&/\\&}/" \
             -e "s/@CHANGETUNE@/${changefile/.abc/.html}/" \
             -e "s/@CHANGEVISIBILITY@/${changevisibility}/" \
             -e "s/@CREDIT@/${credit}/" \
@@ -167,12 +167,12 @@ find $bookedir -name "*.abc" | sort |
             -e "s/@LASTCHANGED@/${lastchanged}/" \
             -e "s/@TUNE@/${name}/" dottes.html.tune > $webdir/$tunepage
 
-        sed -e "s/@TITLE@/${title//&/\&}/" \
+        sed -e "s/@TITLE@/${title//&/\\&}/" \
             -e "s/@SUBTITLE@/${subtitle}/" \
             -e "s/@COMPOSER@/${composer}/" \
             -e "s/@KEY@/${key}/" \
             -e "s/@MASTERBOOKE@/${masterbooke}/" \
-            -e "s/@CHANGETITLE@/${changetitle//&/\&}/" \
+            -e "s/@CHANGETITLE@/${changetitle//&/\\&}/" \
             -e "s/@CHANGETUNE@/${changefile/.abc/.html}/" \
             -e "s/@CHANGEVISIBILITY@/${changevisibility}/" \
             -e "s/@CREDIT@/${credit}/" \
@@ -180,6 +180,6 @@ find $bookedir -name "*.abc" | sort |
             -e "s/@LASTCHANGED@/${lastchanged}/" \
             -e "s/@TUNE@/${name}/" dottes.html.learnertune > $webdir/$learnerpage
 
-        sed -e "s/@TITLE@/${title//&/\&}/" \
+        sed -e "s/@TITLE@/${title//&/\\&}/" \
             -e "s/@TUNE@/${name}/" dottes.html.tuneindex >> $webdir/$tunelist
     done