(calc.info)Syntax Tables

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8.8.8 Syntax Tables
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Syntax tables do for input what compositions do for output:  They allow
you to teach custom notations to Calc's formula parser.  Calc keeps a
separate syntax table for each language mode.

   (Note that the Calc "syntax tables" discussed here are completely
unrelated to the syntax tables described in the Emacs manual.)

   The `Z S' (`calc-edit-user-syntax') command edits the syntax table
for the current language mode.  If you want your syntax to work in any
language, define it in the normal language mode.  Type `M-# M-#' to
finish editing the syntax table, or `M-# x' to cancel the edit.  The `m
m' command saves all the syntax tables along with the other mode
settings; Note: General Mode Commands.

Syntax Table Basics

Precedence in Syntax Tables

Advanced Syntax Patterns

Conditional Syntax Rules