Changed formatting of example key assignments to use Fortran syntax

mkexp

@@ -167,9 +167,14 @@ def format_namelist(section):
                         lines.write(' '*base_indent+key+' = '+
                                     format_value(value, indent)+line+'\n')
                 for line in section.comments.get(group, []):
-                    if line and re.match(r'#\s*\w+\s*=', line):
-                        lines.write(' '*base_indent+
-                                    re.sub(r'^#', '!', line)+'\n')
+                    if line:
+                        match = re.match(r'#\s*(\w+)\s*=\s*(.*?)\s*$', line)
+                        if match:
+                            key = match.group(1)
+                            value = match.group(2)
+                            indent = base_indent + 2 + len(key) + 3
+                            lines.write(' '*base_indent+'! '+key+' = '+
+                                        format_value(value, indent)+'\n')
                 lines.write('/\n')
     return lines.getvalue()