Summary:
Special characters or blank in attribute name
Detailed Description:
It is not possible to save values in the attributes with special characters in
names or even blank. Example for attributes not saved:
- "Number of downloads" - has blanks and will not be saved
- "See&go" - has special characters.
The smarty tags created for this attribute in templates are not valid as well.
See #2138 by Nuno Costa.