Start with definitive table of Unicode<->Texas

Author: lizmat

doc/Language/unicode_texas.pod

@@ -0,0 +1,74 @@
+=begin pod
+
+=TITLE Unicode versus Texas symbols
+
+=SUBTITLE Unicode symbols and their Texas (ASCII) counterparts
+
+The following unicode symbols can be used in Perl 6 without needing to load
+any additional modules.  Please note that the Since column applies to the
+version of Perl the symbol was known to be available.  It is only mentioned
+if it is different from C<6.c>.
+
+=begin table
+    symbol   codepoint   Texas       Since   Remarks
+    ------   ---------   ---------   -----   ---------------------------------
+    «        U+00AB      <<                  as part of «» or .«
+    »        U+00BB      >>                  as part of «» or .»
+
+    ×        U+00D7      *
+    /        U+00DF      /
+    ∘        U+2218      o
+    ≅        U+2245      =~=
+
+    ‘        U+2018      '                   as part of ‘’ or ‚’ or ’‘
+    ’        U+2019      '                   as part of ’‘ or ’’
+    ‚        U+201A      '                   as part of ‚‘ or ‚’
+    “        U+201C      "                   as part of “” or „” or ”“
+    ”        U+201D      "                   as part of ”“ or ””
+    „        U+201E      "                   as part of „“ or „”
+    ｢        U+FF62      "                   as part of ｢｣
+    ｣        U+FF63      "                   as part of ｢｣
+
+    ⁻        U+00AF      **-                 as part of exponentiation
+    ⁺        U+207A      **+                 as part of exponentiation
+    ⁻        U+207B      **-                 as part of exponentiation
+    ⁰        U+2070      **0                 can be combined with ⁰..⁹
+    ¹        U+2071      **1                 can be combined with ⁰..⁹
+    ²        U+2072      **2                 can be combined with ⁰..⁹
+    ³        U+2073      **3                 can be combined with ⁰..⁹
+    ⁴        U+2074      **4                 can be combined with ⁰..⁹
+    ⁵        U+2075      **5                 can be combined with ⁰..⁹
+    ⁶        U+2076      **6                 can be combined with ⁰..⁹
+    ⁷        U+2077      **7                 can be combined with ⁰..⁹
+    ⁸        U+2078      **8                 can be combined with ⁰..⁹
+    ⁹        U+2079      **9                 can be combined with ⁰..⁹
+
+    ∅        U+2205      set()
+    ∈        U+2208      (elem)
+    ∉        U+2209      !(elem)
+    ∋        U+220B      (cont)
+    ∌        U+220C      !(cont)
+    ∞        U+221E      Inf
+    ⊆        U+2286      (<=)
+    ⊈        U+2288      !(<=)
+    ⊂        U+2282      (<)
+    ⊄        U+2284      !(<)
+    ⊇        U+2287      (>=)
+    ⊉        U+2289      !(>=)
+    ⊃        U+2283      (>)
+    ⊅        U+2285      !(>)
+    ≼        U+227C      (<+)
+    ≽        U+227D      (>+)
+    ∪        U+222A      (|)
+    ∩        U+2229      (&)
+    ∖        U+2216      (-)
+    ⊖        U+2296      (^)
+    ⊍        U+228D      (.)
+    ⊎        U+228E      (+)
+=end table
+
+Please note that any codepoints that have the C<Ll> or C<Lu> property,
+can be used just like any other alphabetic character.  Also, any codepoint
+that has the L<Nd> property, can be used as a digit in any number.
+
+=end pod