--- loncom/interface/entities.pm	2008/04/15 10:10:10	1.7
+++ loncom/interface/entities.pm	2008/04/21 11:02:43	1.8
@@ -408,7 +408,7 @@ my %entities = (
     # ISO also documents a 'planck' entity.
 
     295     => '\\ensuremath\{\hbar\}',
-    'plank' => '\\ensuremath\{\hbar\}',
+    'planck' => '\\ensuremath\{\hbar\}',
 
     # Latin extended-A HTML 4.01 entities:
 
@@ -658,14 +658,15 @@ my %entities = (
     8659     => '\\ensuremath\{\\Downarrow\}',
     'dArr'   => '\\ensuremath\{\\Downarrow\}',
     8660     => '\\ensuremath\{\\Leftrightarrow\}',
-    'vArr'   => '\\ensuremath\{\\Updownarrow\}',
+    'hArr'   => '\\ensuremath\{\\Leftrightarrow\}',
     8661     => '\\ensuremath\{\\Updownarrow\}',
-    'lAarr'   => '\\ensuremath\{\\Lleftarrow\}',
+    'vArr'   => '\\ensuremath\{\\Updownarrow\}',
     8666     => '\\ensuremath\{\\Lleftarrow\}',
-    'rAarr'  => '\\ensuremath\{\\Rrightarrow\}',
+    'lAarr'   => '\\ensuremath\{\\Lleftarrow\}',
     8667     => '\\ensuremath\{\\Rrightarrow\}',
-    'rarrw'  => '\\ensuremath\{\\rightsquigarrow\}',
+    'rAarr'  => '\\ensuremath\{\\Rrightarrow\}',
     8669     => '\\ensuremath\{\\rightsquigarrow\}',
+    'rarrw'  => '\\ensuremath\{\\rightsquigarrow\}',
     
 
     # Mathematical operators.