diff --git a/docs/LangRef.html b/docs/LangRef.html
index 4954113..7639649 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -520,26 +520,9 @@
   <dd>This calling convention (the default if no other calling convention is
   specified) matches the target C calling conventions.  This calling convention
   supports varargs function calls and tolerates some mismatch in the declared
-  prototype and implemented declaration of the function (as does normal C). For
-  integer arguments less than 32-bits, the value will be sign-extended to
-  32-bits before the call is made. If zero-extension is required, use the
-  <tt>cextcc</tt> calling convention.
+  prototype and implemented declaration of the function (as does normal C). 
   </dd>
 
-  <dt><b>"<tt>cextcc(bitmask)</tt>" - The C with explicit extend calling 
-    convention </b>:</dt>
-  <dd>This calling convention is exactly like the C calling convention except
-  that it is parameterized to provide a <tt>bitmask</tt> that indicates how
-  integer arguments of less than 32-bits should be extended. A zero bit
-  indicates zero-extension while a 1-bit indicates sign-extension. The least
-  significant bit always corresponds to the return type of the function. The
-  bits in the <tt>bitmask</tt> are assigned to the integer parameters of the 
-  function that are smaller than 32-bits. For example, a bitmask of value
-  5 (0b0101) indicates that the return value is to be sign extended, the first
-  small integer argument is to be zero extended and the second small integer
-  argument is to be sign extended.</dd>
-  
-
   <dt><b>"<tt>csretcc</tt>" - The C struct return calling convention</b>:</dt>
 
   <dd>This calling convention matches the target C calling conventions, except
@@ -553,14 +536,6 @@
   pointer to a struct as the first argument.
   </dd>
 
-  <dt><b>"<tt>csretextcc(bitmask)</tt>" - The C struct return with explicit 
-    extend calling convention</b>:</dt>
-  <dd>This calling convention is exactly like the <tt>csret</tt> calling
-  convention except that it is parameterized to provide a <tt>bitmask</tt> 
-  that indicates how integer arguments of less than 32-bits should be extended.
-  A zero bit indicates zero-extension while a 1-bit indicates sign-extension.
-  </dd>
-  
   <dt><b>"<tt>fastcc</tt>" - The fast calling convention</b>:</dt>
 
   <dd>This calling convention attempts to make calls as fast as possible