--- loncom/xml/lonplot.pm	2008/05/20 10:53:07	1.140
+++ loncom/xml/lonplot.pm	2008/05/26 10:51:42	1.142
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Dynamic plot
 #
-# $Id: lonplot.pm,v 1.140 2008/05/20 10:53:07 foxr Exp $
+# $Id: lonplot.pm,v 1.142 2008/05/26 10:51:42 foxr Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -911,7 +911,7 @@ my %lookup =
       '(nbsp|#160)'   => {'tex' => ' ',               'web' => ' '},       # non breaking space.
       '(iexcl|#161)'  => {'tex' => '{/Text \241}',    'web' => "\x{a1}"},  # inverted !
       '(cent|#162)'   => {'tex' => '{/Text \242}',    'web' => "\x{a2}"},  # Cent currency.
-      '(pound|#163}'  => {'tex' => '{/Text \243}',    'web' => "\x{a3}"},  # GB Pound currency.
+      '(pound|#163)'  => {'tex' => '{/Text \243}',    'web' => "\x{a3}"},  # GB Pound currency.
       '(curren|#164)' => {'tex' => '{/Text \250}',    'web' => "\x{a4}"},  # Generic currency symb.
       '(yen|#165)'    => {'tex' => '{/Text \245}',    'web' => "\x{a5}"},  # Yen currency.
       '(brvbar|#166)' => {'tex' => '{/Symbol \174}',  'web' => "\x{a6}"},  # Broken vert bar no print.
@@ -979,14 +979,14 @@ my %lookup =
       '(auml|#228)'   => {'tex' => '\344',            'web' => "\x{e4}"},  # a umlaut
       '(aring|#229)'  => {'tex' => '\345',            'web' => "\x{e5}"},  # a ring on top.
       '(aelig|#230)'  => {'tex' => '\346',            'web' => "\x{e6}"},  # ae ligature.
-      '{ccedil|#231)' => {'tex' => '\347',            'web' => "\x{e7}"},  # C cedilla
+      '(ccedil|#231)' => {'tex' => '\347',            'web' => "\x{e7}"},  # C cedilla
       '(egrave|#232)' => {'tex' => '\350',            'web' => "\x{e8}"},  # e accent grave.
       '(eacute|#233)' => {'tex' => '\351',            'web' => "\x{e9}"},  # e accent acute.
       '(ecirc|#234)'  => {'tex' => '\352',            'web' => "\x{ea}" }, # e circumflex.
       '(euml|#235)'   => {'tex' => '\353',            'web' => "\x{eb}"},  # e umlaut.
       '(igrave|#236)' => {'tex' => '\354',            'web' => "\x{ec}"},  # i grave.
-      '(iacute|#237}' => {'tex' => '\355',            'web' => "\x{ed}"},  # i acute.
-      '(icirc|#238}'  => {'tex' => '\356',            'web' => "\x{ee}"},  # i circumflex.
+      '(iacute|#237)' => {'tex' => '\355',            'web' => "\x{ed}"},  # i acute.
+      '(icirc|#238)'  => {'tex' => '\356',            'web' => "\x{ee}"},  # i circumflex.
       '(iuml|#239)'   => {'tex' => '\357',            'web' => "\x{ef}"},  # i umlaut.
       '(eth|#240)'    => {'tex' => '\360',            'web' => "\x{f0}"},  # Icelandic eth.
       '(ntilde|#241)' => {'tex' => '\361',            'web' => "\x{f1}"},  # n tilde.
@@ -1065,7 +1065,7 @@ my %lookup =
 
       # Arrows  of various types and directions.
       '(larr|#8592)'    => {'tex' => '{/Symbol \254}', 'web' => "\x{2190}"}, # <--
-      '(uarr|#8593}'    => {'tex' => '{/Symbol \255}', 'web' => "\x{2191}"}, # up arrow.
+      '(uarr|#8593)'    => {'tex' => '{/Symbol \255}', 'web' => "\x{2191}"}, # up arrow.
       '(rarr|#8594)'    => {'tex' => '{/Symbol \256}', 'web' => "\x{2192}"}, # -->
       '(darr|#8595)'    => {'tex' => '{/Symbol \257}', 'web' => "\x{2193}"}, # down arrow.
       '(harr|#8596)'    => {'tex' => '{/Symbol \253}', 'web' => "\x{2194}"}, # <-->
@@ -1101,7 +1101,40 @@ my %lookup =
       '(there4|#8756)'  => {'tex' => '{/Symbol \134}',  'web' => "\x{2234}"}, # Therefore triple dots.
       '(sim|#8764)'     => {'tex' => '~',               'web' => "\x{223c}"}, # Simlar to.
       '(cong|#8773)'    => {'tex' => '{/Symbol \100}',  'web' => "\x{2245}"}, # Congruent to/with.
-      
+      '(asymp|#8776)'   => {'tex' => '{/Symbol \278}',  'web' => "\x{2248}"}, # Asymptotic to.
+      '(ne|#8800)'      => {'tex' => '{/Symbol \271}',  'web' => "\x{2260}"}, # not equal to.
+      '(equiv|#8801)'   => {'tex' => '{/Symbol \272}',  'web' => "\x{2261}"}, # Equivalent to.
+      '(le|8804)'       => {'tex' => '{/Symbol \243}',  'web' => "\x{2264}"}, # Less than or equal to.
+      '(ge|8805)'       => {'tex' => '{/Symbol \263}',  'web' => "\x{2265}"}, # Greater than or equal to
+      '(sub|8834)'      => {'tex' => '{/Symbol \314}',  'web' => "\x{2282}"}, # Subset of.
+      '(sup|8835)'      => {'tex' => '{/Symbol \311}',  'web' => "\x{2283}"}, # Super set of.
+      '(nsub|8836)'     => {'tex' => '{/Symbol \313}',  'web' => "\x{2284}"}, # not subset of.
+      '(sube|8838)'     => {'tex' => '{/Symbol \315}',  'web' => "\x{2286}"}, # Subset or equal.
+      '(supe|8839)'     => {'tex' => '{/Symbol \312}',  'web' => "\x{2287}"}, # Superset or equal
+      '(oplus|8853)'    => {'tex' => '{/Symbol \305}',  'web' => "\x{2295}"}, # O with plus inside
+      '(otimes|8855)'   => {'tex' => '{/Symbol \304}',  'web' => "\x{2297}"}, # O with times.
+      '(perp|8869)'     => {'tex' => '{/Symbol \136}',  'web' => "\x{22a5}"}, # Perpendicular.
+      '(sdot|8901)'     => {'tex' => '{/Symbol \227}',  'web' => "\x{22c5}"}, # Dot operator.
+
+      # Misc. technical symbols:
+
+      '(lceil|8698)'    => {'tex' => '{/Symbol \351}',  'web' => "\x{2308}"}, # Left ceiling.
+      '(rceil|8969)'    => {'tex' => '{/Symbol \371}',  'web' => "\x{2309}"}, # Right ceiling.
+      '(lfloor|8970)'   => {'tex' => '{/Symbol \353}',  'web' => "\x{230a}"}, # Left floor.
+      '(rfloor|8971)'   => {'tex' => '{/Symbol \373}',  'web' => "\x{230b}"}, # Right floor.
+      '(lang|9001)'     => {'tex' => '{/Symbol \341}',  'web' => "\x{2329}"}, # Left angle bracket.
+      '(rang|9002)'     => {'tex' => '{/Symbol \361}',  'web' => "\x{232a}"}, # Right angle bracket.
+
+      # Gemoetric shapes.
+
+      '(loz|9674)'      => {'tex' => '{/Symbol \340}',  'web' => "\x{25ca}"}, # Lozenge.
+
+      # Misc. symbols
+
+      '(spades|9824)'   => {'tex' => '{/Symbol \252}', 'web' => "\x{2660}"}, 
+      '(clubs|9827)'    => {'tex' => '{/Symbol \247}', 'web' => "\x{2663}"}, 
+      '(hearts|9829)'   => {'tex' => '{/Symbol \251}', 'web' => "\x{2665}"}, 
+      '(diams|9830)'    => {'tex' => '{/Symbol \250}', 'web' => "\x{2666}"}
 
     );