There are two major sections discussing 1) the enhancement of CAS, 2) the enhancement of semantic tag, to resolve ambiguity. The conversion from LaTex to parsing tree is only mentioned very briefly in this section. While in the Youssef paper, there is not too much description of the parsing system either. It would be very valuable describe how the LL parser is constructed. How the grammar is related with the lexicon entries.
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Readers might be very interesting to understand how the lexicon is related with the PoM.
Reviewer 1:
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