lib/plurimath/latex/parse.rb in plurimath-0.8.12 vs lib/plurimath/latex/parse.rb in plurimath-0.8.13

@@ -2,11 +2,11 @@
 
 require "parslet"
 module Plurimath
   class Latex
     class Parse < Parslet::Parser
-      rule(:base)          { arr_to_expression(Constants.wrapper_symbols, :symbols).absent? >> str("_") }
+      rule(:base)          { str("_") }
       rule(:power)         { str("^") }
       rule(:slash)         { str("\\") }
       rule(:under_over)    { slash >> underover_classes }
       rule(:array_args)    { (str("{") >> expression.as(:args) >> str("}")) }
       rule(:array_begin)   { (str("\\begin{") >> str("array").as(:environment) >> str("}")) }
@@ -205,10 +205,10 @@
         first_value = str(expr.to_s)
         case name
         when :operant
           (first_value.as(:operant) | (slashed_value(first_value, :symbols)))
         when :symbols
-          expr.to_s.start_with?("__{") ? first_value.as(name) : slashed_value(first_value, :symbols)
+          slashed_value(first_value, :symbols)
         when :unary
           unary_rules(first_value)
         when :fonts
           (slashed_value(first_value, :fonts) >> (binary_functions | intermediate_exp).as(:intermediate_exp))
         when :power_base