[luatex] small manual question

[Taco Hoekwater]

On 06/30/11 12:40, Patrick Gundlach wrote:
> 8.1.4.13 pdf_start_link nodes (p. 179/183)
> 
> link_attr seems to be a string, 

On assign it can be either a table or a string,
on query it returns a string always.

Best wishes,
Taco