normaliser per tag like with phonemisers

Author: flammie

src/pipespec.dtd

@@ -101,8 +101,8 @@
 <!ELEMENT suggest ((generator, messages)|(messages, generator))> <!-- arg1: generator.hfstol, arg2: error_messages.xml -->
 <!ATTLIST suggest
           generate-all (true|false) "false">
-<!ELEMENT normalise (normaliser,analyser,generator,tags)>
-<!ELEMENT normalize (normaliser,analyser,generator,tags)> <!-- en_US variant of above -->
+<!ELEMENT normalise (normaliser+,analyser,generator)>
+<!ELEMENT normalize (normaliser+,analyser,generator)> <!-- en_US variant of above -->
 <!ELEMENT phon (text2ipa,alttext2ipa*)> <!-- arg: text2ipa.hfst -->
 
 <!-- Is there a way to generalize over these apart from shifting to <arg key=… val=…>? -->
@@ -114,9 +114,7 @@
 <!ELEMENT blanktagger EMPTY> <!ATTLIST blanktagger n CDATA #REQUIRED>
 <!ELEMENT generator EMPTY>   <!ATTLIST generator n CDATA #REQUIRED>
 <!ELEMENT messages EMPTY>    <!ATTLIST messages n CDATA #REQUIRED>
-<!ELEMENT normaliser EMPTY>  <!ATTLIST normaliser n CDATA #REQUIRED>
+<!ELEMENT normaliser EMPTY>  <!ATTLIST normaliser s CDATA #REQUIRED n CDATA #REQUIRED>
 <!ELEMENT analyser EMPTY>    <!ATTLIST analyser n CDATA #REQUIRED>
 <!ELEMENT text2ipa EMPTY>    <!ATTLIST text2ipa n CDATA #REQUIRED>
 <!ELEMENT alttext2ipa EMPTY> <!ATTLIST alttext2ipa s CDATA #REQUIRED n CDATA #REQUIRED>
-<!ELEMENT tags (tag+)>
-<!ELEMENT tag EMPTY>         <!ATTLIST tag n CDATA #REQUIRED>