fields: automatically create paragraphs on blank lines in comment fields

wcs/fields.py

@@ -15,6 +15,7 @@
 # along with this program; if not, see <http://www.gnu.org/licenses/>.
 
 import time
+import re
 
 try:
     import elementtree.ElementTree as ET
@@ -359,13 +360,19 @@ class CommentField(Field):
             extra_css_class = ' class="%s"' % self.extra_css_class
         else:
             extra_css_class = ''
-        if '<p' in self.label:
+
+        if '\n\n' in self.label:
+            label = '<p>' + re.sub('\n\n+', '</p>\n<p>', self.label) + '</p>'
+        else:
+            label = self.label
+
+        if '<p' in label:
             enclosing_tag = 'div'
         else:
             enclosing_tag = 'p'
         form.widgets.append(HtmlWidget(
                     htmltext('<%s%s>%s</%s>' % (enclosing_tag, extra_css_class,
-                    self.label, enclosing_tag))))
+                    label, enclosing_tag))))
 
     def add_to_view_form(self, *args):
         pass