//
// This function is declared inside the cpp_slex_token.hpp file, which is
// referenced by the source file calling the lexer and the source file, which
-// instantiates the lex_functor. But is is defined here, so it will be
+// instantiates the lex_functor. But it is defined here, so it will be
// instantiated only while compiling the source file, which instantiates the
// lex_functor. While the cpp_re2c_token.hpp file may be included everywhere,
// this file (cpp_re2c_lexer.hpp) should be included only once. This allows