debug lineno: 24 fn1
debug lineno: 25 fn1
./dbg-support.tests: line 25: caller: foo: invalid number
-caller: usage: caller [EXPR]
+caller: usage: caller [expr]
debug lineno: 25 fn1
debug lineno: 17 fn1
debug lineno: 12 print_return_trap
debug lineno: 24 fn1 71 main ./dbg-support.tests
debug lineno: 25 fn1
./dbg-support.tests: line 25: caller: foo: invalid number
-caller: usage: caller [EXPR]
+caller: usage: caller [expr]
debug lineno: 25 fn1
debug lineno: 17 fn1
debug lineno: 12 print_return_trap
79 main ./dbg-support.tests
./dbg-support.tests: line 25: caller: foo: invalid number
-caller: usage: caller [EXPR]
+caller: usage: caller [expr]
debug lineno: 80 main
fn2 here. Calling fn1...
30 fn2 ./dbg-support.tests
80 main ./dbg-support.tests
./dbg-support.tests: line 25: caller: foo: invalid number
-caller: usage: caller [EXPR]
+caller: usage: caller [expr]
debug lineno: 81 main
LINENO 34