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diff --git a/2.3-1/macros/ASTManagement/_ifthenelse_string.sci b/2.3-1/macros/ASTManagement/_ifthenelse_string.sci
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+function txt=%ifthenelse_string(I)
+//overloading function for "ifthenel" type tlist string function
+//this is a node of the AST
+//fields:
+//    expression  : "expression" type tlist (the if expression)
+//    then        : list of "equal" type tlist and list('EOL') (the
+//                           then instructions list)
+//    elseifs     : a list of tlists
+//    else        : list of "equal" type tlist and list('EOL') (the
+//                           else instructions list)
+  txt=['If '
+       '  Expression:'
+       '     '+string(I.expression)
+       '  If Statements'
+       '    '+objectlist2string(I.then)]
+  for e=I.elseifs
+    txt=[txt;
+	 '  Else If Expression'
+	 '     '+string(e.expression)
+	 '  Else If Statements'
+       '    '+objectlist2string(e.then)]
+  end
+  txt=[txt;
+       '  Else Statements'
+       '    '+objectlist2string(I.else)
+       'EndIf']
+endfunction