Doco - if I ever have to touch dozens of files to change one link again,

I'll stab someone - so make sure we don't have to.

doc/developer_function_primer.bb

@@ -44,4 +44,4 @@ Returns the translated variant of $string for the current language or $string (d
 
 Shorthand test to see if variable $var is set and is not empty. Tests vary by type. Returns false if $var or $key is not set. If variable is set, returns 1 if has 'non-zero' value, otherwise returns 0. -- e.g. x('') or x(0) returns 0;
 
-Return to the [url=[baseurl]/help/main]Main documentation page[/url]
+#include doc/macros/main_footer.bb;