А ещё есть такой язык - TAL. Template, мать его, Attribute Language. Это часть Zope. Под катом чудовищный пример TAL-кода, который я, мать мою, написал.

<tal:block i18n:domain="pfm" tal:define="form here/form; groups form/get_groups;"><p tal:condition="here/getBodyPre" tal:replace="here/getBodyPre" /><p tal:condition="options/prepend" tal:replace="options/prepend" /><tal:block tal:repeat="group groups"><p tal:condition="python:group not in ('Default','Comments')" tal:replace="group" /><tal:block tal:condition="python:group=='Phone'">:</tal:block><tal:block tal:repeat="field python:form.get_fields_in_group(group)"><tal:block tal:define="ft field/title;" tal:condition="field/mailsplitter"><p tal:condition="python:group!='Phone'" tal:replace="ft" /><tal:block tal:condition="python:ft=='Comments'"> [multi-line]</tal:block><tal:block tal:condition="python:group!='Phone'">:</tal:block> <tal:block tal:repeat="line field/mailsplitter"><p tal:replace="line"/><tal:block tal:condition="python:group!='Phone'">
</tal:block></tal:block><tal:block tal:condition="python:ft=='Comments'">--end-of-multi-line
</tal:block></tal:block></tal:block><tal:block tal:condition="python:group=='Phone'">
</tal:block></tal:block><p tal:condition="options/append" tal:replace="options/append" /><p tal:condition="here/getBodyPost" tal:replace="here/getBodyPost" /></tal:block>