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-rw-r--r--etc/PROBLEMS10
1 files changed, 10 insertions, 0 deletions
diff --git a/etc/PROBLEMS b/etc/PROBLEMS
index 642c3d0169e..16521e257dd 100644
--- a/etc/PROBLEMS
+++ b/etc/PROBLEMS
@@ -2069,6 +2069,16 @@ For such programs to function again, Emacs must be run on an X server
where the input extension is disabled, or alternatively be configured
with the "--without-xinput2" option.
+*** Scrolling with mouse-wheel lags in GTK3 builds.
+
+We don't know why this happens, but one workaround is to build Emacs
+with a different toolkit. For example:
+
+ ./configure --without-toolkit-scroll-bars --with-x-toolkit=athena
+
+This produces a build which uses Athena toolkit, and disables toolkit
+scroll bars which could sometimes be slow.
+
* Runtime problems on character terminals
** The meta key does not work on xterm.