distinguish between expr strings and code strings in schemas; use normal autocompletion in meta-evaluation spaces only when editing expr strings, whereas code strings you want to look like code but do not generally refer to things that expressions can, e.g. it is a label

src/raddbg/raddbg_eval.c

@@ -322,7 +322,8 @@ E_TYPE_ACCESS_FUNCTION_DEF(schema)
       }
       
       //- rjf: cfg members
-      else if(str8_match(child_schema->first->string, str8_lit("code_string"), 0))
+      else if(str8_match(child_schema->first->string, str8_lit("code_string"), 0) ||
+              str8_match(child_schema->first->string, str8_lit("expr_string"), 0))
       {
         child_type_key = e_type_key_cons_array(e_type_key_basic(E_TypeKind_U8), child->first->string.size, E_TypeFlag_IsCodeText);
       }