Sets @description as the description of the bookmark for @uri.
If @uri is %NULL, the description of @bookmark is set.
If a bookmark for @uri cannot be found then it is created.
a valid URI or %NULL
a string
2.12
See Implementation
Sets @description as the description of the bookmark for @uri.
If @uri is %NULL, the description of @bookmark is set.
If a bookmark for @uri cannot be found then it is created.