trimming various syntax error messages

t/call-5001.err

@@ -1,3 +1,12 @@
+return 1 2 ##ERROR: syntax error - excessive argument to 'return' around '2'
+
+---
+
+## TODO: improve the return to show the actual parenthensis like around '('
+return 1 (+ 1 2) ##ERROR: syntax error - excessive argument to 'return' around ''
+
+---
+
 ## the expression begins with a dictionary expression. 
 ## it is not a function name and can'be be invoked.
 #{100:1, 200: 3}; ##ERROR: syntax error - invalid callable

t/feed-5001.err

@@ -2,6 +2,22 @@ $?a           ##ERROR: syntax error - invalid dollar-prefixed identifier '$?a'
 
 ---
 
+-0e00    ##ERROR: syntax error - illegal erorr literal '-0e00'
+
+---
+
++0e11    ##ERROR: syntax error - illegal erorr literal '+0e11'
+
+---
+
+-0p00    ##ERROR: syntax error - illegal smptr literal '-0p00'
+
+---
+
++0p11    ##ERROR: syntax error - illegal smptr literal '+0p11'
+
+---
+
 $include     ##ERROR: syntax error - '$include' target not specified
 
 ---