--- a/RegressionTests__StringTests.st	Mon Aug 12 11:33:28 2019 +0200
+++ b/RegressionTests__StringTests.st	Mon Aug 12 11:46:52 2019 +0200
@@ -1475,22 +1475,28 @@
 !
 
 test60b_hash
+    "verifies that symbols hash the same as string, u16string and u32string"
+
     | tester |
 
     "/ self skip:'takes long'.
     
     tester := [:s|
-        |sHash u16Hash u32Hash|
+        |sHash u8Hash u16Hash u32Hash|
 
         sHash := s hash.
+        u8Hash := s asString hash.
         u16Hash := s asUnicode16String hash.
         u32Hash := s asUnicode32String hash.
 
+        self assert: sHash == u8Hash
+             description: ('Symbol and String hashes differ on "%1" (%2)'
+                                bindWith:s with:s class name).
         self assert: sHash == u16Hash
-             description: ('String and Unicode16String hashes differ on "%1" (%2)'
+             description: ('Symbol and Unicode16String hashes differ on "%1" (%2)'
                                 bindWith:s with:s class name).
         self assert: sHash == u32Hash
-             description: ('String and Unicode32String hashes differ on "%1" (%2)'
+             description: ('Symbol and Unicode32String hashes differ on "%1" (%2)'
                                 bindWith:s with:s class name)
     ].
 
@@ -1980,6 +1986,66 @@
     self assert:(rslt = '%1 AAAa %(1) BBBb').
 !
 
+test82d_expanding
+    "what happens with missing keys:"
+
+    | rslt |
+
+    rslt := '%1-%2-%3'
+            expandPlaceholders:$%
+            with:{10 . 20 }
+            ignoreNumericEscapes:false
+            ignoreNonNumericEscapes:false
+            ignoreSpecialEscapes:false
+            requireParentheses:false.
+    self assert:(rslt = '10-20-').
+
+    "/ stupid backward compatibiliy!!
+    rslt := '%a-%b-%c'
+            expandPlaceholders:$%
+            with:(Dictionary withKeys:#('a' 'b') andValues:#(10 20 ))
+            ignoreNumericEscapes:false
+            ignoreNonNumericEscapes:false
+            ignoreSpecialEscapes:false
+            requireParentheses:false.
+    self assert:(rslt = '10-20-%c').
+
+    "/ stupid backward compatibiliy!!
+    rslt := '%(a)-%(b)-%(c)'
+            expandPlaceholders:$%
+            with:(Dictionary withKeys:#('a' 'b') andValues:#(10 20 ))
+            ignoreNumericEscapes:false
+            ignoreNonNumericEscapes:false
+            ignoreSpecialEscapes:false
+            requireParentheses:false.
+    self assert:(rslt = '10-20-').
+!
+
+test82e_expandingSpecialSequences
+    | rslt |
+
+    rslt := 'abc%<tab>def'
+            expandPlaceholders:$%
+            with:nil
+            ignoreNumericEscapes:false
+            ignoreNonNumericEscapes:false
+            ignoreSpecialEscapes:false
+            requireParentheses:false.
+    self assert:(rslt = ('abc',Character tab,'def')).
+
+    rslt := 'abc%<crlf>def'
+            expandPlaceholders:$%
+            with:nil
+            ignoreNumericEscapes:false
+            ignoreNonNumericEscapes:false
+            ignoreSpecialEscapes:false
+            requireParentheses:false.
+    self assert:(rslt = ('abc',String crlf,'def')).
+
+    rslt := 'abc%<crlf>def' with:nil.
+    self assert:(rslt = ('abc',String crlf,'def')).
+!
+
 test83_padding
     | rslt |