File: 01_null_variables.patch

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python-htmltmpl 1.22-10.1
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--- ../htmltmpl-1.22/htmltmpl.py	2001-12-15 23:11:28.000000000 +0100
+++ htmltmpl.py	2006-06-14 11:54:51.057095134 +0200
@@ -603,9 +603,10 @@
                     # If output of current block is not disabled then append
                     # the substitued and escaped variable to the output.
                     if DISABLE_OUTPUT not in output_control:
-                        value = str(self.find_value(var, loop_name, loop_pass,
-                                                    loop_total, globalp))
-                        out += self.escape(value, escape)
+                        value = self.find_value(var, loop_name, loop_pass,
+                                                loop_total, globalp)
+                        if value != "": 
+                            out += self.escape(str(value), escape)
                         self.DEB("VAR: " + str(var))
 
                 elif token == "<TMPL_LOOP":