\DeclareTextCommand{\udot}{T1}[1]{%
{\o@lign{\relax#1\crcr\hidewidth\sh@ft{29}%
\vbox to.2ex{\hbox{.}\vss}\hidewidth}}}
+\DeclareTextCommand{\umacron}{T1}[1]{%
+ {\o@lign{\relax#1\crcr\hidewidth\sh@ft{29}%
+ \vbox to.3ex{\hbox{-}\vss}\hidewidth}}}
+
+\DeclareTextCommand{\CircGrave}{T1}[1]{\DoubleAccent{18}{94}{.4ex}{.45ex}{#1}}
+\DeclareTextCommand{\CircAcute}{T1}[1]{\DoubleAccent{19}{94}{.4ex}{.45ex}{#1}}
+\DeclareTextCommand{\CircMacron}{T1}[1]{\DoubleAccent{22}{94}{.4ex}{.45ex}{#1}}
+\DeclareTextCommand{\CircTilde}{T1}[1]{\DoubleAccent{126}{94}{.4ex}{.45ex}{#1}}
+\DeclareTextCommand{\CircHook}{T1}[1]{\DoubleAccent{39}{94}{.4ex}{.45ex}{#1}}
+\DeclareTextCommand{\Circudot}{T1}[1]{\DoubleAccent{46}{94}{.4ex}{-.2ex}{#1}}
+
+\DeclareTextCommand{\HornAcute}{T1}[1]{\'{#1}\hspace*{-0.2em}'}
+\DeclareTextCommand{\HornTilde}{T1}[1]{\~{#1}\hspace*{-0.2em}'}
%%% For OT1 encoding %%%
\DeclareTextCommand{\MacAcute}{OT1}[1]{\DoubleAccent{19}{22}{.4ex}{.45ex}{#1}}