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mode-line-format is a buffer-local variable that holds a mode
line construct, a kind of template, which controls what is displayed on the
mode line of the current buffer. The value of header-line-format
specifies the buffer's header line in the same way. All windows for the
same buffer use the same mode-line-format and
header-line-format.
For efficiency, Emacs does not continuously recompute the mode line and
header line of a window. It does so when circumstances appear to call for
it—for instance, if you change the window configuration, switch buffers,
narrow or widen the buffer, scroll, or change the buffer's modification
status. If you modify any of the variables referenced by
mode-line-format (voir la section Variables Used in the Mode Line), or any other
variables and data structures that affect how text is displayed
(voir la section Emacs Display), you may want to force an update of the mode line so as to
display the new information or display it in the new way.
Force redisplay of the current buffer's mode line and header line. The next
redisplay will update the mode line and header line based on the latest
values of all relevant variables. With optional non-nil all,
force redisplay of all mode lines and header lines.
This function also forces recomputation of the menu bar menus and the frame title.
The selected window's mode line is usually displayed in a different color
using the face mode-line. Other windows' mode lines appear in the
face mode-line-inactive instead. Voir la section Faces.
Ce document a été généré par Eric Reinbold le 13 Octobre 2007 en utilisant texi2html 1.78.