+ <!ENTITY MYSQL "<application> <ulink type='http'
+ url='http://www.mysql.com'>MySQL</ulink> </application>">
+ <!ENTITY Sqlite "<application> <ulink type='http'
+ url='http://www.sqlite.org'>Sqlite</ulink> </application>">
+
+ <!-- Entities for BNF -->
+ <!ENTITY id "<emphasis><link linkend='grammar.id'>id</link></emphasis>">
+ <!ENTITY uri "<emphasis><link linkend='grammar.uri'>uri</link></emphasis>">
+ <!ENTITY char "<emphasis><link linkend='grammar.char'>char</link></emphasis>">
+ <!ENTITY uri-step "<emphasis><link linkend='grammar.uri-step'>uri-step</link></emphasis>">
+ <!ENTITY nat "<emphasis><link linkend='grammar.nat'>nat</link></emphasis>">
+ <!ENTITY term "<emphasis><link linkend='grammar.term'>term</link></emphasis>">
+ <!ENTITY rec_def "<emphasis><link linkend='grammar.rec_def'>rec_def</link></emphasis>">
+ <!ENTITY match_pattern "<emphasis><link linkend='grammar.match_pattern'>match_pattern</link></emphasis>">
+ <!ENTITY match_branch "<emphasis><link linkend='grammar.match_branch'>match_branch</link></emphasis>">
+ <!ENTITY args "<emphasis><link linkend='grammar.args'>args</link></emphasis>">
+ <!ENTITY args2 "<emphasis><link linkend='grammar.args2'>args2</link></emphasis>">
+ <!ENTITY sterm "<emphasis><link linkend='grammar.sterm'>sterm</link></emphasis>">
+ <!ENTITY intros-spec "<emphasis><link linkend='grammar.intros-spec'>intros-spec</link></emphasis>">
+ <!ENTITY pattern "<emphasis><link linkend='grammar.pattern'>pattern</link></emphasis>">
+ <!ENTITY reduction-kind "<emphasis><link linkend='grammar.reduction-kind'>reduction-kind</link></emphasis>">
+ <!ENTITY path "<emphasis><link linkend='grammar.path'>path</link></emphasis>">
+ <!ENTITY proofscript "<emphasis><link linkend='grammar.proofscript'>proof-script</link></emphasis>">
+ <!ENTITY proofstep "<emphasis><link linkend='grammar.proofstep'>proof-step</link></emphasis>">
+ <!ENTITY tactic "<emphasis><link linkend='grammar.tactic'>tactic</link></emphasis>">
+ <!ENTITY LCFtactical "<emphasis><link linkend='grammar.LCFtactical'>LCF-tactical</link></emphasis>">
+ <!ENTITY qstring "<emphasis><link linkend='grammar.qstring'>qstring</link></emphasis>">
+ <!ENTITY interpretation "<emphasis><link linkend='grammar.interpretation'>interpretation</link></emphasis>">
+ <!ENTITY autoparams "<emphasis><link linkend='grammar.autoparams'>auto_params</link></emphasis>">
+ <!ENTITY simpleautoparam "<emphasis><link linkend='grammar.simpleautoparam'>simple_auto_param</link></emphasis>">