Creates a tag and adds it to the tag table for buffer. Equivalent to adding a new tag to the buffer's tag table.
If tagName is null, the tag is anonymous.
If tagName is non-NULL, a tag called tagName must not already exist in the tag table for this buffer.
the name for the new tag. ... = A list of property names and there values.
See Implementation
Creates a tag and adds it to the tag table for buffer. Equivalent to adding a new tag to the buffer's tag table.
If tagName is null, the tag is anonymous.
If tagName is non-NULL, a tag called tagName must not already exist in the tag table for this buffer.