diff --git a/compiler/symconst.pas b/compiler/symconst.pas
index 6ecaa575f6..4c69edd53c 100644
--- a/compiler/symconst.pas
+++ b/compiler/symconst.pas
@@ -435,13 +435,19 @@ type
   );
 
   { types of the symtables }
-  TSymtabletype = (abstracTSymtable,
-    globalsymtable,staticsymtable,
-    ObjectSymtable,recordsymtable,
-    localsymtable,parasymtable,
-    withsymtable,stt_excepTSymtable,
-    exportedmacrosymtable, localmacrosymtable,
-    enumsymtable
+  TSymtabletype = (
+    abstractsymtable,      { not a real symtable             }
+    globalsymtable,        { unit interface symtable         }
+    staticsymtable,        { unit implementation symtable    }
+    ObjectSymtable,        { object symtable                 }
+    recordsymtable,        { record symtable                 }
+    localsymtable,         { subroutine symtable             }
+    parasymtable,          { arguments symtable              }
+    withsymtable,          { with operator symtable          }
+    stt_excepTSymtable,    { try/except symtable             }
+    exportedmacrosymtable, { }
+    localmacrosymtable,    { }
+    enumsymtable           { symtable for enum members       }
   );
 
 
diff --git a/compiler/symdef.pas b/compiler/symdef.pas
index 6bbe200604..80eb906267 100644
--- a/compiler/symdef.pas
+++ b/compiler/symdef.pas
@@ -345,12 +345,12 @@ interface
 
        tarraydef = class(tstoreddef)
           lowrange,
-          highrange  : aint;
-          rangedef   : tdef;
+          highrange     : aint;
+          rangedef      : tdef;
           rangedefderef : tderef;
-          arrayoptions : tarraydefoptions;
+          arrayoptions  : tarraydefoptions;
        protected
-          _elementdef : tdef;
+          _elementdef      : tdef;
           _elementdefderef : tderef;
           procedure setelementdef(def:tdef);
        public
@@ -358,7 +358,7 @@ interface
           function elepackedbitsize : aint;
           function elecount : aword;
           constructor create_from_pointer(def:tdef);
-          constructor create(l,h : aint;def:tdef);
+          constructor create(l,h:aint;def:tdef);
           constructor ppuload(ppufile:tcompilerppufile);
           function getcopy : tstoreddef;override;
           procedure ppuwrite(ppufile:tcompilerppufile);override;
@@ -2330,7 +2330,7 @@ implementation
                            TARRAYDEF
 ***************************************************************************}
 
-    constructor tarraydef.create(l,h : aint;def:tdef);
+    constructor tarraydef.create(l,h:aint;def:tdef);
       begin
          inherited create(arraydef);
          lowrange:=l;