HTML content negotiation now has 'no escape' flag set for anchors. Is…

…sue #11.

generators/generate-htaccess.rb

@@ -1,9 +1,17 @@
-
+# This script generates a .htaccess file for content negotiation according to the 
+# W3C Best Practice Recipes for Publishing RDF Vocabularies recipe4a
+# https://www.w3.org/TR/swbp-vocab-pub/#recipe4a
+# Some commented-out code from their example .htaccess file may persist here.
+#
+# The following command line parameters are substituted into the generated file.
 $rewrite_base, $vocab_url_suffix, $vocab_rdf, $html_file = ARGV
+
 $nargs = 4
 raise "#{$0}: Wrong number of command line parameters. expected #{$nargs}." unless ARGV.size == $nargs
 
 # CAUTION: Be really careful about escaping hashes that are intended to end up in a rewritten URL!
+#          Also the NE (no excape) part of [R=303,NE] is vital, or you end up with %23 in the URL instad of #.
+
 puts <<-HERE
 # This .htaccess file was generated by #{$0} with parameters:
 #    rewrite_base: #{$rewrite_base}
@@ -41,7 +49,7 @@
 RewriteCond %{HTTP_ACCEPT} application/xhtml\+xml [OR]
 RewriteCond %{HTTP_USER_AGENT} ^Mozilla/.*
 #RewriteRule ^example4a/(.+) example4a-content/2005-10-31.html\#$1 [R=303,NE]
-RewriteRule ^#{$vocab_url_suffix}/(.+) #{$html_file}\#$1 [R=303]
+RewriteRule ^#{$vocab_url_suffix}/(.+) #{$html_file}\#$1 [R=303,NE]
 
 # Rewrite rule to serve RDF/XML content from the namespace URI by default
 #RewriteRule ^example4a/ example4a-content/2005-10-31.rdf [R=303]