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Ticket UUID:	f7afd3dbef3c3a8e73687a76f8009ee19729544c
Title:	tailcall does not trigger an [namespace unknown] handler
Type:	Bug	Created on:	2019-12-24 20:56:07
Submitter:	pooryorick	Assigned to:	nobody
Subsystem:	60. NRE and coroutines	Severity:	Minor
Priority:	5 Medium	Last modified:	2019-12-24 20:56:07
Status:	Open	Closed by:	nobody
Resolution:	None	Closed on:
Version:

Description:

The following script illustrates that tailcall does not trigger a handler set using namespace unknown.

namespace eval ns1 {
    proc u1 args {
        return hello
    }
    namespace unknown u1
}

# this triggers the unknown handler
puts [namespace eval ns1 nosuchroutine]

# this does not
puts [apply [list {} {
    tailcall nosuchroutine
} ns1]]