added tal and metal prefixes to titles - this makes things easier to...

added tal and metal prefixes to titles - this makes things easier to understand in the Zope Book Appendix C

lib/python/Products/PageTemplates/help/metal-define-macro.stx

-define-macro - Define a macro
+metal:define-macro - Define a macro
 
   Syntax
 
@@ -30,4 +30,3 @@ define-macro - Define a macro
     "metal:use-macro":metal-use-macro.stx"
 
     "metal:define-slot":metal-define-slot.stx
-    

lib/python/Products/PageTemplates/help/metal-define-slot.stx

-define-slot - Define a macro customization point
+metal:define-slot - Define a macro customization point
 
   Syntax
 

lib/python/Products/PageTemplates/help/metal-fill-slot.stx

-fill-slot - Customize a macro
+metal:fill-slot - Customize a macro
 
   Syntax
 

lib/python/Products/PageTemplates/help/metal-use-macro.stx

-use-macro - Use a macro
+metal:use-macro - Use a macro
 
   Syntax
 

lib/python/Products/PageTemplates/help/tal-attributes.stx

-attributes - Replace element attributes
+tal:attributes - Replace element attributes
   
   Syntax
 

lib/python/Products/PageTemplates/help/tal-condition.stx

-condition - Conditionally insert or remove an element
+tal:condition - Conditionally insert or remove an element
   
   Syntax
 

lib/python/Products/PageTemplates/help/tal-content.stx

-content - replace the content of an element
+tal:content - replace the content of an element
   
   Syntax
 

lib/python/Products/PageTemplates/help/tal-define.stx

-define - Define variables
+tal:define - Define variables
 
   Syntax
 

lib/python/Products/PageTemplates/help/tal-omit-tag.stx

-omit-tag - Remove an element, leaving its contents
+tal:omit-tag - Remove an element, leaving its contents
 
   Syntax
 

lib/python/Products/PageTemplates/help/tal-on-error.stx

-on-error - Handle errors
+tal:on-error - Handle errors
   
   Syntax
 

lib/python/Products/PageTemplates/help/tal-repeat.stx

-repeat - Repeat an element
+tal:repeat - Repeat an element
 
   Syntax
   

lib/python/Products/PageTemplates/help/tal-replace.stx

-replace - Replace an element
+tal:replace - Replace an element
   
   Syntax