--- a/CharacterArray.st	Thu Jul 27 16:25:01 2017 +0200
+++ b/CharacterArray.st	Thu Jul 27 16:25:49 2017 +0200
@@ -606,6 +606,7 @@
     "
 ! !
 
+
 !CharacterArray class methodsFor:'pattern matching'!
 
 matchEscapeCharacter
@@ -1011,6 +1012,7 @@
     ^ Unicode32String
 ! !
 
+
 !CharacterArray methodsFor:'Compatibility-ANSI'!
 
 addLineDelimiters
@@ -6407,6 +6409,7 @@
     "Modified: 17.4.1997 / 12:50:23 / cg"
 ! !
 
+
 !CharacterArray methodsFor:'special string converting'!
 
 asUnixFilenameString
@@ -7449,6 +7452,7 @@
     "
 ! !
 
+
 !CharacterArray methodsFor:'substring searching'!
 
 findRangeOfString:subString
@@ -7898,7 +7902,7 @@
     "return true, if the receiver is some alphanumeric word;
      i.e. consists of a letter followed by letters or digits."
 
-    self size == 0 ifTrue:[
+    self isEmpty ifTrue:[
         "mhmh what is this ?"
         ^ false
     ].