--- loncom/interface/entities.pm	2008/03/31 11:01:25	1.3
+++ loncom/interface/entities.pm	2008/04/01 10:45:44	1.4
@@ -734,6 +734,7 @@ my %entities = {
     8746     => '\\ensuremath\{\\cup\}',
     'int'    => '\\ensuremath\{\\int\}',
     8747     => '\\ensuremath\{\\int\}',
+    'conint' => '\\ensuremath\{\\oint\}',
     8750     => '\\ensuremath\{\\oint\}',
     'there4' => '\\ensuremath\{\\therefore\}',
     8756     => '\\ensuremath\{\\therefore\}',
@@ -743,9 +744,123 @@ my %entities = {
     8759     => '\\ensuremath\{::\}',
     'sim'    => '\\ensuremath\{\\sim\}',
     8764     => '\\ensuremath\{\\sim\}',
+    8765     => '\\ensuremath\{\\backsim\}',
+    'wreath' => '\\ensuremath\{\\wr\}',
+    8768     => '\\ensuremath\{\\wr\}',
+    'nsim'   => '\\ensuremath\{\\not\sim\}',
+    8769     => '\\ensuremath\{\\not\sim\}',
+#    'asymp'  => '\\ensuremath\{\\asymp\}',  ≈ is actually a different glyph.
+    8771     => '\\ensuremath\{\\asymp\}',
+    8772     => '\\ensuremath\{\\not\\asymp\}',
+    'cong'   => '\\ensuremath\{\\cong\}',
+    8773     => '\\ensuremath\{\\cong\}',
+    8775     => '\\ensuremath\{\\ncong\}',
+    8778     => '\\ensuremath\{\\approxeq\}',
+    8784     => '\\ensuremath\{\\doteq\}',
+    8785     => '\\ensuremath\{\\doteqdot\}',
+    8786     => '\\ensuremath\{\\fallingdotseq\}',
+    8787     => '\\ensuremath\{\\risingdotseq\}',
+    8788     => '\\ensuremath\{:=\}',
+    8789     => '\\ensuremath\{=:\}',
+    8790     => '\\ensuremath\{\\eqcirc\}',
+    8791     => '\\ensuremath\{\\circeq\}',
+    'wedgeq' => '\\ensuremath\{\\stackrel\{\\wedge\}\{=\}\}',
+    8792     => '\\ensuremath\{\\stackrel\{\\wedge\}\{=\}\}',
+    8794     => '\\ensuremath\{\\stackrel\{\\vee\}\{=\}\}',
+    8795     => '\\ensuremath\{\\stackrel\{\\star}\{=\}\}',
+    8796     => '\\ensuremath\{\\triangleeq\}',
+    8797     => '\\ensuremath\{\\stackrel\{def\}\{=\}\}',
+    8798     => '\\ensuremath\{\\stackrel\{m\}\{=\}\}',
+    8799     => '\\ensuremath\{\\stackrel\{?\}\{=\}\}',
+    'ne'     => '\\ensuremath\{\\neq\}',
+    8800     => '\\ensuremath\{\\neq\}',
+    'equiv'  => '\\ensuremath\{\\equiv\}',
+    8801     => '\\ensuremath\{\\equiv\}',
+    8802     => '\\ensuremath\{\\not\\equiv\}',
+    'le'     => '\\ensuremath\{\\leq\}',
+    8804     => '\\ensuremath\{\\leq\}',
+    'ge'     => '\\ensuremath\{\\geq\}',
+    8805     => '\\ensuremath\{\\geq\}',
+    8806     => '\\ensuremath\{\\leqq\}',
+    8807     => '\\ensuremath\{\\geqq\}',
+    8810     => '\\ensuremath\{\\ll\}',
+    8811     => '\\ensuremath\{\\gg\}',
+    'twixt'  => '\\ensuremath\{\\between\}',
+    8812     => '\\ensuremath\{\\between\}',
+    8813     => '\\ensuremath\{\\not\\asymp\}',
+    8814     => '\\ensuremath\{\\not<\}',
+    8815     => '\\ensuremath\{\\not>\}',
+    8816     => '\\ensuremath\{\\not\\leqslant\}',
+    8817     => '\\ensuremath\{\\not\\geqslant\}',
+    8818     => '\\ensuremath\{\\lessim\}',
+    8819     => '\\ensuremath\{\\gtrsim\}',
+    8820     => '\\ensuremath\{\\stackrel\{<\}\{>\}\}',
+    8821     => '\\ensuremath\{\\stackrel\{>\}\{<\}\}',
+    8826     => '\\ensuremath\{\\prec\}',
+    8827     => '\\ensuremath\{\\succ\}',
+    8828     => '\\ensuremath\{\\preceq\}',
+    8829     => '\\ensuremath\{\\succeq\}',
+    8830     => '\\ensuremath\{\\not\\prec\}',
+    8831     => '\\ensuremath\{\\not\\succ\}',
+    'sub'    => '\\ensuremath\{\\subset\}',
+    8834     => '\\ensuremath\{\\subset\}',
+    'sup'    => '\\ensuremath\{\\supset\}',
+    8835     => '\\ensuremath\{\\supset\}',
+    'nsub'   => '\\ensuremath\{\\not\\subset\}',
+    8836     => '\\ensuremath\{\\not\\subset\}',
+    8837     => '\\ensuremath\{\\not\\supset\}',
+    'sube'   => '\\ensuremath\{\\subseteq\}',
+    8838     => '\\ensuremath\{\\subseteq\}',
+    'supe'   => '\\ensuermath\{\\supseteq\}',
+    8839     => '\\ensuermath\{\\supseteq\}',
+    8840     => '\\ensuremath\{\\nsubseteq\}',
+    8841     => '\\ensuremath\{\\nsupseteq\}',
+    8842     => '\\ensuremath\{\\subsetneq\}',
+    8843     => '\\ensuremath\{\\supsetneq\}',
+    8847     => '\\ensuremath\{\\sqsubset\}',
+    8848     => '\\ensuremath\{\\sqsupset\}',
+    8849     => '\\ensuremath\{\\sqsubseteq\}',
+    8850     => '\\ensuremath\{\\sqsupseteq\}',
+    8851     => '\\ensuremath\{\\sqcap\}',
+    8852     => '\\ensuremath\{\\sqcup\}',
+    'oplus'  => '\\ensuremath\{\\oplus\}',
+    8853     => '\\ensuremath\{\\oplus\}',
+    8854     => '\\ensuremath\{\\ominus\}',
+    'otimes' => '\\ensuremath\{\\otimes\}',
+    8855     => '\\ensuremath\{\\otimes\}',
+    8856     => '\\ensuremath\{\\oslash\}',
+    8857     => '\\ensuremath\{\\odot\}',
+    8858     => '\\ensuremath\{\\circledcirc\}',
+    8859     => '\\ensuremath\{\\circledast\}',
+    8861     => '\\ensuremath\{\\ominus\}', # Close enough for government work.
+    8862     => '\\ensuremath\{\\boxplus\}',
+    8863     => '\\ensuremath\{\\boxminus\}',
+    8864     => '\\ensuremath\{\\boxtimes\}',
+    8865     => '\\ensuremath\{\\boxdot\}',
     
-    
+
     
 
+    
 };
 
+# 
+#  Convert a numerical entity (that does not exist in our hash)
+#  to its UTF-8 equivalent representation.
+#  This allows us to support, to some extent, any entity for which
+#  dvipdf can find a gylph (given that LaTeX is now UTF-8 clean).
+#
+sub entity_to_utf8 {
+}
+
+
+#
+#  Convert an entity to the corresponding LateX if possible.
+#  If not possible, and the entity is numeric,
+#  the entity is treated like a Unicode character and converted
+#  to UTF-8 which should display as long as dvipdf can find the
+#  appropriate glyph.
+#
+sub entity_to_latex {
+}
+