smallina

henkholland and iconico:

Take a look at this:
http://codex.ww.wp.xz.cn/Theme_Development#Query-based_Templates

You would turn your single.php into a conditional splitter that assigned all your posts to your custom single pages by category. So your single.php file would only contain:

<?php $post = $wp_query->post;
if ( in_category('31') ) {include(TEMPLATEPATH . '/single-custom1.php');}
elseif ( in_category('19') ) {include(TEMPLATEPATH . '/single-custom2.php');}
elseif ( in_category('172') ) {include(TEMPLATEPATH . '/single-custom3.php');}
else {include(TEMPLATEPATH . '/single1.php');}
?>

and then single-custom1.php (name it whatever you want of course) would call in posts from just that category so you could modify your previous/next code as you wish.

The last bit, else {include…} single1.php means that any post that didn’t have a specific category would get the default single post template, here named single1.php but the name could be anything.

Hope that helps!

I think I had the same problem as you, munfaridon. Could edit/save my posts/pages a week ago but then today got the blank screen and nothing saved when I went to save/publish. I upgraded to 2.5 (from 2.1! A very long time coming… serves me right I suppose…) and now all is OK. You may have figured this out already but let me know if this works for you!