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author | Alan Mackenzie <acm@muc.de> | 2020-04-11 21:04:50 +0000 |
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committer | Alan Mackenzie <acm@muc.de> | 2020-04-11 21:04:50 +0000 |
commit | cf57663f2ab80814d17eee0f21b498262f933d89 (patch) | |
tree | 383b6cb81ab010bab3219d8f4ff979e3b5d74333 | |
parent | fd27685c1e68e742abf1698573dac53743f15e48 (diff) | |
download | emacs-cf57663f2ab80814d17eee0f21b498262f933d89.tar.gz |
Mention jit-lock deferred as an alternative to fast-but-imprecise-scrolling
* doc/emacs/display.texi (Scrolling): Add a paragraph on using jit-lock
deferred fontification as a way of obviating Emacs hanging after
auto-repeated scrolling.
-rw-r--r-- | doc/emacs/display.texi | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/emacs/display.texi b/doc/emacs/display.texi index 8444aef3bdd..4273357995f 100644 --- a/doc/emacs/display.texi +++ b/doc/emacs/display.texi @@ -141,6 +141,15 @@ 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 jit-lock-defer-time +As an alternative to setting @code{fast-but-imprecise-scrolling} you +might prefer to enable jit-lock deferred fontification (@pxref{Font +Lock}). To do this, customize @code{jit-lock-defer-time} to a small +positive number such as 0.25, or even 0.1 if you type quickly. This +gives you less jerky scrolling when you hold down @kbd{C-v}, but the +window contents after any action which scrolls into a fresh portion of +the buffer will be momentarily unfontified. + @vindex scroll-up @vindex scroll-down @findex scroll-up-line |