added a note about variable resolution and PHP4-style constructors (refs #33)

diff --git a/doc/02-Twig-for-Template-Designers.markdown b/doc/02-Twig-for-Template-Designers.markdown
index 93d35ff..134c902 100644 (file)
--- a/doc/02-Twig-for-Template-Designers.markdown
+++ b/doc/02-Twig-for-Template-Designers.markdown
@@ -72,7 +72,8 @@ If a variable or attribute does not exist you will get back a `null` value
 >
 > * check if `foo` is an array and `bar` a valid element;
 > * if not, and if `foo` is an object, check that `bar` is a valid property;
-> * if not, and if `foo` is an object, check that `bar` is a valid method;
+> * if not, and if `foo` is an object, check that `bar` is a valid method
+>   (even if `bar` is the constructor - use `__construct()` instead);
 > * if not, and if `foo` is an object, check that `getBar` is a valid method;
 > * if not, return a `null` value.
 >