Michael Paquier <michael(at)paquier(dot)xyz> writes:
> The solution is simple: we need to replace buf->content by a call to
> xmlBufferContent(). This routine exists since be803967dbec (year
> 2000), so 25 years should make that safe enough to use.
> The last batch of libxml deprecation warning fixes we have done was
> last year in [1], so the one we have here is new. It seems to me that
> it would not hurt to just backpatch that all the way down rather than
> waiting. Comments are welcome.
Seems reasonable.
regards, tom lane