Fix weird bug in error message

Author: peachpit-site

examples/test.pf

@@ -3,8 +3,9 @@ def
 foo(i int) :
     "foo"
 
+
 zort(t ... any?) :
-    len(t)
+    foo +
 
 troz(i, j, k int) :
     "troz"

source/compiler/compiler.go

@@ -356,7 +356,7 @@ NodeTypeSwitch:
 			v, ok = env.GetVar(node.Value)
 		}
 		if !ok {
-			cp.P.Throw("comp/ident/known", node.GetToken())
+			cp.P.Throw("comp/ident/known", node.GetToken(), node.Value)
 			break
 		}
 		if (v.access == GLOBAL_CONSTANT_PRIVATE || v.access == GLOBAL_VARIABLE_PRIVATE) && ac == REPL {

source/err/errorfile.go

@@ -551,7 +551,7 @@ var ErrorCreatorMap = map[string]ErrorCreator{
 
 	"comp/ident/known": {
 		Message: func(tok *token.Token, args ...any) string {
-			return "unknown identifier " + emph(tok.Literal)
+			return "identifier " + emph(args[0].(string)) + " is undeclared"
 		},
 		Explanation: func(errors Errors, pos int, tok *token.Token, args ...any) string {
 			return "You don't seem to have declared that as a variable, function, constant, or anything else."
@@ -3466,6 +3466,9 @@ func blame(errors Errors, pos int, args ...string) string {
 }
 
 func emph(s any) string {
+	if t, ok := s.(string); ok {
+		s = strings.TrimSpace(t)
+	}
 	return fmt.Sprintf("'%v'", s)
 }