29 before: try to assign to FUNCNAME
31 before: FUNCNAME = func
33 after: FUNCNAME = func
100 testgrp is a function
111 testgrp is a function
156 ./func4.sub: line 23: foo: maximum function nesting level exceeded (100)
159 ./func4.sub: line 23: foo: maximum function nesting level exceeded (100)
163 after FUNCNEST reset: f = 201
165 after FUNCNEST unset: f = 201
166 ./func4.sub: line 23: foo: maximum function nesting level exceeded (20)
168 after FUNCNEST assign: f = 38