lib/qlang/lexer/main_lexer.rb in qlang-0.0.27182123 vs lib/qlang/lexer/main_lexer.rb in qlang-0.0.27182124

@@ -1,5 +1,8 @@
+#!/bin/env ruby
+# encoding: utf-8
+
 module Qlang
   module Lexer
     class MainLexer < Base
       rule(/(#{FUNCCV})#{ANYSP}#{EQL}#{ANYSP}(#{FORMULA})/) { :def_func }
       rule(/#{ITGRLSYM}#{ANYSP}#{LPRN}(#{ANYSTR})#{RPRN}#{LBRCT}(#{ANYSTR})#{RBRCT}/) { :integral }
@@ -10,9 +13,10 @@
       rule(/#{LPRN}(#{NUMS_BY_SP})#{RPRN}/) { :vector }
       rule(/#{LPRN}(#{NUMS_BY_SP_BY_SCLN_OR_NELN})#{RPRN}t/m) { :tmatrix }
       rule(/#{LPRN}(#{NUMS_BY_SP_BY_SCLN_OR_NELN})#{RPRN}/m) { :matrix }
 
       rule(/∑#{LBRCT}(#{VAR})=(#{INT}),#{ANYSP}(#{INT})#{RBRCT} (#{FORMULA})/) { :sigma }
+      rule(/sigma#{LBRCT}(#{VAR})=(#{INT}),#{ANYSP}(#{INT})#{RBRCT} (#{FORMULA})/) { :sigma }
 
       rule(/#{FUNCCN}/) { :FUNCCN }
 
       rule(/#{LPRN}/) { :LPRN }
       rule(/#{RPRN}/) { :RPRN }