Issue 4491 - Adds handling for block commented page metadata

cms/converters.py

Index: cms/converters.py
===================================================================
--- a/cms/converters.py
+++ b/cms/converters.py
@@ -117,16 +117,19 @@
         self._append_text(self.unescape('&#{};'.format(name)))
 
 
 def parse_page_content(page, data):
     """Separate page content into metadata (dict) and body text (str)"""
     page_data = {'page': page}
     lines = data.splitlines(True)
     for i, line in enumerate(lines):
+        if line == '<!--\n' or line == '-->\n':

[Vasily Kuznetsov, 2017/08/11 17:38:21]

Maybe we can use `.strip()` to take care of possible whitespace?

    if line.strip() in {'<!--', '-->'}:
        # yada yada yada

[Jon Sonesen, 2017/08/14 05:58:52]

Acknowledged.

+            lines[i] = ''
+            continue
         if not re.search(r'^\s*[\w\-]+\s*=', line):
             break
         name, value = line.split('=', 1)
         value = value.strip()
         if value.startswith('[') and value.endswith(']'):
             value = [element.strip() for element in value[1:-1].split(',')]
         lines[i] = '\n'
         page_data[name.strip()] = value