--- loncom/interface/entities.pm	2008/02/19 12:09:02	1.2
+++ loncom/interface/entities.pm	2008/03/31 11:01:25	1.3
@@ -656,8 +656,96 @@ my %entities = {
     8659     => '\\ensuremath\{\\Downarrow\}',
     'dArr'   => '\\ensuremath\{\\Downarrow\}',
     8660     => '\\ensuremath\{\\Leftrightarrow\}',
+    'vArr'   => '\\ensuremath\{\\Updownarrow\}',
+    8661     => '\\ensuremath\{\\Updownarrow\}',
+    'lAarr'   => '\\ensuremath\{\\Lleftarrow\}',
+    8666     => '\\ensuremath\{\\Lleftarrow\}',
+    'rAarr'  => '\\ensuremath\{\\Rrightarrow\}',
+    8667     => '\\ensuremath\{\\Rrightarrow\}',
+    'rarrw'  => '\\ensuremath\{\\rightsquigarrow\}',
+    8669     => '\\ensuremath\{\\rightsquigarrow\}',
+    
 
     # Mathematical operators.
 	
     
+    'forall' => '\\ensuremath\{\\forall\}',
+    8704     => '\\ensuremath\{\\forall\}',
+    'comp'   => '\\ensuremath\{\\complement\}',
+    8705     => '\\ensuremath\{\\complement\}',
+    'part'   => '\\ensuremath\{\\partial\}',
+    8706     => '\\ensuremath\{\\partial\}',
+    'exist'  => '\\ensuremath\{\\exists\}',
+    8707     => '\\ensuremath\{\\exists\}',
+    'nexist' => '\\ensuremath\{\\nexists\}',
+    8708     => '\\ensuremath\{\\nexists\}',
+    'empty'  => '\\ensuremath\{\\emptysset\}',
+    8709     => '\\ensuremath\{\\emptysset\}',
+    8710     => '\\ensuremath\{\\Delta\}',
+    'nabla'  => '\\ensuremath\{\\nabla\}',
+    8711     => '\\ensuremath\{\\nabla\}',
+    'isin'   => '\\ensuremath\{\\in\}',
+    8712     => '\\ensuremath\{\\in\}',
+    'notin'  => '\\ensuremath\{\\notin\}',
+    8713     => '\\ensuremath\{\\notin\}',
+    ni       => '\\ensuremath\{\\ni\}',
+    8715     => '\\ensuremath\{\\ni\}',
+    8716     => '\\ensuremath\{\\not\\ni\}',
+    'prod'   => '\\ensuremath\{\\prod\}',
+    8719     => '\\ensuremath\{\\prod\}',
+    8720     => '\\ensuremath\{\\coprod\}',
+    'sum'    => '\\ensuremath\{\\sum\}',
+    8721     => '\\ensuremath\{\\sum\}',
+    'minus'  => '\\ensuremath\{-\}',
+    8722     => '\\ensuremath\{-\}',
+    8723     => '\\ensuremath\{\\mp\}',
+    8724     => '\\ensuremath\{\\dotplus\}',
+    8725     => '\\ensuremath\{\\diagup\}',
+    8726     => '\\ensuremath\{\\smallsetminus\}',
+    'lowast' => '\\ensuremath\{*\}',
+    8727     => '\\ensuremath\{*\}',
+    8728     => '\\ensuremath\{\\circ\}',
+    8729     => '\\ensuremath\{\\bullet\}',
+    'radic'  => '\\ensuremath\{\\surd\}',
+    8730     => '\\ensuremath\{\\surd\}',
+    8731     => '\\ensuremath\{\\sqrt[3]\{\}\}',
+    8732     => '\\ensuremath\{\\sqrt[4]\{\}\}',
+    'prop'   => '\\ensuremath\{\\propto\}',
+    8733     => '\\ensuremath\{\\propto\}',
+    'infin'  => '\\ensuremath\{\\infty\}',
+    8734     => '\\ensuremath\{\\infty\}',
+    'ang90'  => '\\ensuremath\{\\sqangle\}',
+    8735     => '\\ensuremath\{\\sqangle\}',
+    'ang'    => '\\ensuremath\{\\angle\}',
+    8736     => '\\ensuremath\{\\angle\}',
+    'angmsd' => '\\ensuremath\{\\measuredangle\}',
+    8737     => '\\ensuremath\{\\measuredangle\}',
+    'angsph' => '\\ensuremath\{\\sphiericalangle\}',
+    8738     => '\\ensuremath\{\\sphiericalangle\}',
+    8739     => '\\ensuremath\{\\vert\}',
+    8740     => '\\ensuremath\{\\Vert\}',
+    'and'    => '\\ensuremath\{\\land\}',
+    8743     => '\\ensuremath\{\\land\}',
+    'or'     => '\\ensuremath\{\\lor\}',
+    8744     => '\\ensuremath\{\\lor\}',
+    'cap'    => '\\ensuremath\{\\cap\}',
+    8745     => '\\ensuremath\{\\cap\}',
+    'cup'    => '\\ensuremath\{\\cup\}',
+    8746     => '\\ensuremath\{\\cup\}',
+    'int'    => '\\ensuremath\{\\int\}',
+    8747     => '\\ensuremath\{\\int\}',
+    8750     => '\\ensuremath\{\\oint\}',
+    'there4' => '\\ensuremath\{\\therefore\}',
+    8756     => '\\ensuremath\{\\therefore\}',
+    'becaus' => '\\ensuremath\{\\because\}',
+    8757     => '\\ensuremath\{\\because\}',
+    8758     => '\\ensuremath\{:\}',
+    8759     => '\\ensuremath\{::\}',
+    'sim'    => '\\ensuremath\{\\sim\}',
+    8764     => '\\ensuremath\{\\sim\}',
+    
+    
+    
+
 };
+