From bd2316dda729116edca516c4fc6cd906b4f1ef7e Mon Sep 17 00:00:00 2001
From: "http://kerravonsen.dreamwidth.org/"
 <http://kerravonsen.dreamwidth.org/@web>
Date: Wed, 2 Dec 2009 21:01:10 -0500
Subject: possible answer

---
 doc/forum/understanding_filter_hooks.mdwn | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'doc')

diff --git a/doc/forum/understanding_filter_hooks.mdwn b/doc/forum/understanding_filter_hooks.mdwn
index 061d6d295..e6ddc91cc 100644
--- a/doc/forum/understanding_filter_hooks.mdwn
+++ b/doc/forum/understanding_filter_hooks.mdwn
@@ -7,3 +7,11 @@ but right now I have to have a look at the content, which I don't like so much.
 Is there a better hook to use for this? I need to transform the input before preprocessing.
 
 [[DavidBremner]] 
+
+>You can check the type of the page without having to look at the content of the page:
+
+    my $page_file=$pagesources{$page};
+    my $page_type=pagetype($page_file);
+
+>Then you can check whether `$page_type` is "tex".
+>--[[KathrynAndersen]]
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