./errors.tests: line 213: /bin/sh + 0: syntax error: operand expected (error token is "/bin/sh + 0")
./errors.tests: line 216: trap: NOSIG: invalid signal specification
./errors.tests: line 219: trap: -s: invalid option
-trap: usage: trap [-lp] [[arg] signal_spec ...]
+trap: usage: trap [-lp] [arg signal_spec ...]
./errors.tests: line 225: return: can only `return' from a function or sourced script
./errors.tests: line 229: break: 0: loop count out of range
./errors.tests: line 233: continue: 0: loop count out of range