Collector #1139: tal:attributes didn't escape double quotes.

doc/CHANGES.txt

@@ -82,6 +82,8 @@ Zope Changes
 
     Bugs fixed
 
+     - Collector #1139: tal:attributes didn't escape double quotes.
+
      - Management interface of TopicIndexes has been completely broken
 
      - Collector #1129: Improper parsing of ISO8601 in DateTime.

lib/python/TAL/TALInterpreter.py

@@ -374,7 +374,7 @@ class TALInterpreter:
             elif evalue is self.Default:
                 value = attrEscape(value)
             else:
-                value = escape(value)
+                value = escape(value, quote=1)
             value = '%s="%s"' % (name, value)
         return ok, name, value
     bytecode_handlers["<attrAction>"] = attrAction

lib/python/TAL/tests/input/test16.html

 <a href="valid/link.html" 
    tal:attributes="href python:'/base/' + attrs['href']">blah, blah</a>
+
+<input tal:attributes="value string:a &quot;laser&quot;" />

lib/python/TAL/tests/output/test16.html

 <a href="/base/valid/link.html">blah, blah</a>
+
+<input value="a &quot;laser&quot;" />