Variable: LaTeX-submenu-name-format
LaTeX-submenu-name-format is a customizable variable defined in
latex.el.
Value
"%-12.12s ... %.12s"
Documentation
Format specification of the submenu name.
Used by LaTeX-split-long-menu if the number of entries in a menu is
larger than LaTeX-menu-max-items.
This string should contain one %s for the name of the first entry and
one %s for the name of the last entry in the submenu.
If the value is a function, it should return the submenu name. The
function is called with two arguments, the names of the first and
the last entry in the menu.
Source Code
;; Defined in ~/.emacs.d/elpa/auctex-14.1.2/latex.el
(defcustom LaTeX-submenu-name-format "%-12.12s ... %.12s"
"Format specification of the submenu name.
Used by `LaTeX-split-long-menu' if the number of entries in a menu is
larger than `LaTeX-menu-max-items'.
This string should contain one %s for the name of the first entry and
one %s for the name of the last entry in the submenu.
If the value is a function, it should return the submenu name. The
function is called with two arguments, the names of the first and
the last entry in the menu."
:group 'LaTeX-environment
:type '(choice (string :tag "Format string")
(function)))