(yatexe)Defining option-add-in

Defining argument-add-in

How the add-in function works

How the add-in function works

Defining `option add-in'
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  If you want `{|c|c|c|}' for all `tabular' environment,

             (defun YaTeX:tabular ()
               "{|c|c|c|}")

is enough.  If you want more complicated format, define as below.

             (defun YaTeX:tabular ()
               "{@{\\vrule width 1pt\\ }|||@{\\ \\vrule width 1pt}}")

Note that the character `\' must be described as `\\' in Emacs-Lisp.  The
next example reads the tabular format from keyboard.
             (defun YaTeX:tabular ()
               (concat "{" (read-string "Rule: ") "}"))