Seems no one wants this:

bmomjian · bmomjian · commit 2a20412c454c · 2006-09-14T21:44:08.000Z
&lt; * -Allow PREPARE to automatically determine parameter types based on the SQL
&lt;   statement (Neil)
diff --git a/doc/TODO b/doc/TODO
@@ -2,7 +2,7 @@
 PostgreSQL TODO List
 ====================
 Current maintainer:	Bruce Momjian (bruce@momjian.us)
-Last updated:		Thu Sep 14 17:41:06 EDT 2006
+Last updated:		Thu Sep 14 17:43:58 EDT 2006
 
 The most recent version of this document can be viewed at
 http://www.postgresql.org/docs/faqs.TODO.html.
@@ -449,8 +449,6 @@ SQL Commands
   called, and the table is locked in exclusive mode.
 
 * Allow PREPARE of cursors
-* -Allow PREPARE to automatically determine parameter types based on the SQL
-  statement (Neil)
 * Allow finer control over the caching of prepared query plans
 
   Currently, queries prepared via the libpq API are planned on first
diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html
@@ -8,7 +8,7 @@
 <body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
 <h1><a name="section_1">PostgreSQL TODO List</a></h1>
 <p>Current maintainer:     Bruce Momjian (<a href="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/>
-Last updated:           Thu Sep 14 17:41:06 EDT 2006
+Last updated:           Thu Sep 14 17:43:58 EDT 2006
 </p>
 <p>The most recent version of this document can be viewed at<br/>
 <a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
@@ -411,8 +411,6 @@ <h1><a name="section_8">SQL Commands</a></h1>
   called, and the table is locked in exclusive mode.
 </p>
   </li><li>Allow PREPARE of cursors
-  </li><li>-<em>Allow PREPARE to automatically determine parameter types based on the SQL</em>
-  statement (Neil)
   </li><li>Allow finer control over the caching of prepared query plans
 <p>  Currently, queries prepared via the libpq API are planned on first
   execute using the supplied parameters --- allow SQL PREPARE to do the
