[Zope3-checkins] SVN: Zope3/trunk/src/zope/pagetemplate/architecture.txt add a note about z.a.pagetemplate using different engines to implement

Fred L. Drake, Jr. fred at zope.com
Mon Jul 26 16:01:16 EDT 2004


Log message for revision 26768:
  add a note about z.a.pagetemplate using different engines to implement
  trusted and untrusted evaluation environments
  


Changed:
  U   Zope3/trunk/src/zope/pagetemplate/architecture.txt


-=-
Modified: Zope3/trunk/src/zope/pagetemplate/architecture.txt
===================================================================
--- Zope3/trunk/src/zope/pagetemplate/architecture.txt	2004-07-26 17:36:58 UTC (rev 26767)
+++ Zope3/trunk/src/zope/pagetemplate/architecture.txt	2004-07-26 20:01:16 UTC (rev 26768)
@@ -12,6 +12,9 @@
   for creating expression execution contexts.  It is common for
   applications to override expression engines to provide custom
   expression support or to change the way expressions are implemented.
+  The `zope.app.pagetemplate` package uses this to implement trusted
+  and untrusted evaluation; a different engine is used for each, with
+  different implementations of the same type of expressions.
 
   Expression contexts support execution of expressions and provide
   APIs for setting up variable scopes and setting variables.  The



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