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Diffstat (limited to 'doc/emacs/display.texi')
| -rw-r--r-- | doc/emacs/display.texi | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/emacs/display.texi b/doc/emacs/display.texi index a5555d58054..12a8e1b3eee 100644 --- a/doc/emacs/display.texi +++ b/doc/emacs/display.texi @@ -127,6 +127,19 @@ the mouse wheel (@pxref{Mouse Commands}); in general, it affects any command that has a non-@code{nil} @code{scroll-command} property. @xref{Property Lists,,, elisp, The Emacs Lisp Reference Manual}. +@vindex fast-but-imprecise-scrolling + Sometimes, particularly when you hold down keys such as @kbd{C-v} +and @kbd{M-v}, activating keyboard auto-repeat, Emacs fails to keep up +with the rapid rate of scrolling requested; the display doesn't update +and Emacs can become unresponsive to input for quite a long time. You +can counter this sluggishness by setting the variable +@code{fast-but-imprecise-scrolling} to a non-@code{nil} value. This +instructs the scrolling commands not to fontify (@pxref{Font Lock}) +any unfontified text they scroll over, instead to assume it has the +default face. This can cause Emacs to scroll to somewhat wrong buffer +positions when the faces in use are not all the same size, even with +single (i.e. without auto-repeat) scrolling operations. + @vindex scroll-up @vindex scroll-down @findex scroll-up-line |