Language Processors
The table created by lexical analysis to describe all literals used in the source program, is:

Reductions
Literal table
Terminal table
Identifier table

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Language Processors
In analyzing the compilation of PL/I program, the term "Machine independent optimization" is associated with

recognition of basic elements and creation of uniform symbols
use of macro processor to produce more optimal assembly code
recognition of basic syntactic constructs through reductions
creation of more optional matrix

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