This recommendation is made based on the likelihood of presence or absence of the Route header in the message. You don't have to - and should not - call loose_route() in an onreply_route, and should feel free to use check_route_param() there.

Gareth Rylance <gareth@rylance.me.uk> wrote:

The check_route_param docs say that you must call loose_route() first.
loose_route() cane called from not within onreply_route.
How do I check form route params within the onreply_route?

Thanks Gareth
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