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(Font Lock): Mention jit-lock and its customization group.

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Eli Zaretskii 2001-12-21 13:00:35 +00:00
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man/display.texi
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@ -299,6 +299,18 @@ comments, use this:
To remove keywords from the font-lock highlighting patterns, use the
function @code{font-lock-remove-keywords}.
@cindex just-in-time (JIT) font-lock
@cindex background syntax highlighting
Fontifying large buffers can take a long time. To avoid large
delays when a file is visited, Emacs fontifies only the visible
portion of a buffer. As you scroll through the buffer, each portion
that becomes visible is fontified as soon as it is displayed. The
parts of the buffer that are not displayed are fontified
``stealthily'', in the background, i.e.@: when Emacs is idle. You can
control this background fontification, called @dfn{Just-In-Time}, or
@dfn{JIT} Font Lock, by customizing various options in the
customization group @samp{jit-lock}. @xref{Specific Customization}.
@node Highlight Changes
@section Highlight Changes Mode