If no description has been provided in the schema for @key, returns
%NULL.
The description can be one sentence to several paragraphs in length.
Paragraphs are delimited with a double newline. Descriptions can be
translated and the value returned from this function is is the
current locale.
This function is slow. The summary and description information for
the schemas is not stored in the compiled schema database so this
function has to parse all of the source XML files in the schema
directory.
Gets the description for @key.
If no description has been provided in the schema for @key, returns %NULL.
The description can be one sentence to several paragraphs in length. Paragraphs are delimited with a double newline. Descriptions can be translated and the value returned from this function is is the current locale.
This function is slow. The summary and description information for the schemas is not stored in the compiled schema database so this function has to parse all of the source XML files in the schema directory.
Return: the description for @key, or %NULL