Lists for ALLCOT (6 marks)

Propose the addition of lists to the ALLCOT language, as a built-in data-structure. More precisely,

• Describe the semantics of your lists,
• Explain how to modify the grammar of ALLCOT in order to take your lists into account.

For this question, you may refer to the

• ALDOR documentation for the syntax and semantics of lists in this language,
• ALLCOT document to the study how arrays are defined, as a built-in data-structure.