--- t1.etx	2013-08-03 22:10:21.446272380 +0100
+++ t1a.etx	2013-08-03 21:48:52.369647944 +0100
@@ -752,6 +752,7 @@
 \ifnumber{\int{ligaturing}}<{-1}\then \skipslots{1}\Else
 
    \setslot{\lc{C}{c}}
+      \ligature{LIG}{\lc{T}{t}}{ct}
       \comment{The letter `{c}'.}
    \endsetslot
 
@@ -833,6 +834,7 @@
 \ifnumber{\int{ligaturing}}<{-1}\then \skipslots{1}\Else
 
    \setslot{\lc{S}{s}}
+      \ligature{LIG}{\lc{T}{t}}{st}
       \comment{The letter `{s}'.}
    \endsetslot
 
@@ -943,8 +945,11 @@
    \comment{The letter `\v N'.}
 \endsetslot
 
-\setslot{\uc{Ng}{ng}}
-   \comment{The Sami letter `\NG'.  It is unavailable in \plain\ \TeX.}
+% \setslot{\uc{Ng}{ng}}
+%    \comment{The Sami letter `\NG'.  It is unavailable in \plain\ \TeX.}
+% \endsetslot
+\setslot{ct}
+ \comment{The `old style' ligature ct}
 \endsetslot
 
 \setslot{\uctop{Ohungarumlaut}{ohungarumlaut}}
@@ -1076,8 +1081,11 @@
    \comment{The letter `\v n'.}
 \endsetslot
 
-\setslot{\lc{Ng}{ng}}
-   \comment{The Sami letter `\ng'.  It is unavailable in \plain\ \TeX.}
+% \setslot{\lc{Ng}{ng}}
+%    \comment{The Sami letter `\ng'.  It is unavailable in \plain\ \TeX.}
+% \endsetslot
+\setslot{st}
+ \comment{The `old style' ligature st}
 \endsetslot
 
 \setslot{\lctop{Ohungarumlaut}{ohungarumlaut}}