-</PRE>
-<H2>RETURN VALUE</H2><PRE>
- Routines that return pointers return <STRONG>NULL</STRONG> on error. Other
- routines return one of the following:
+ The function <STRONG>set_field_term</STRONG> sets a hook to be called at form-unpost
+ time and each time the selected field changes (before the change).
+ <STRONG>field_term</STRONG> returns the current field term hook, if any (<STRONG>NULL</STRONG> if there
+ is no such hook).
+
+ The function <STRONG>set_form_init</STRONG> sets a hook to be called at form-post time
+ and just after a page change once it is posted. <STRONG>form_init</STRONG> returns the
+ current form init hook, if any (<STRONG>NULL</STRONG> if there is no such hook).
+
+ The function <STRONG>set_form_term</STRONG> sets a hook to be called at form-unpost time
+ and just before a page change once it is posted. <STRONG>form_init</STRONG> returns the
+ current form term hook, if any (<STRONG>NULL</STRONG> if there is no such hook).
+
+
+</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
+ Routines that return pointers return <STRONG>NULL</STRONG> on error. Other routines
+ return one of the following: