Support short introductory text on a form driven from the model,

without the need to create a separate template. (Anything more
advanced should still use a template, of course)

pgweb/util/helpers.py

@@ -38,5 +38,6 @@ def simple_form(instancetype, itemid, request, formclass, formtemplate='base/for
 		'form': form,
 		'formitemtype': instance._meta.verbose_name,
 		'markdownfields': markdownfields,
+		'form_intro': hasattr(form, 'form_intro') and form.form_intro or None,
 	}, NavContext(request, navsection))
 

templates/base/form.html

@@ -2,6 +2,12 @@
 {%block contents%}
 <h1>Edit {{formitemtype}}</h1>
 <form method="post" action=".">
+{%if form_intro%}
+<p>
+{{form_intro|safe}}
+</p>
+{%endif%}
+
 <table class="pgGenericFormTable">
 {{form.as_table}}
 </table>