From: Eli Zaretskii Date: Sun, 3 Sep 2023 06:03:22 +0000 (+0300) Subject: ; * etc/PROBLEMS: Minor wording fix. X-Git-Tag: emacs-29.1.90~144 X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=f1e4cbe72aa4da9351cbbcd209d9233c68dd9fbb;p=emacs.git ; * etc/PROBLEMS: Minor wording fix. --- diff --git a/etc/PROBLEMS b/etc/PROBLEMS index f398244f3bb..aa196d7dae5 100644 --- a/etc/PROBLEMS +++ b/etc/PROBLEMS @@ -1624,17 +1624,17 @@ to normal, do (set-scroll-bar-mode 'left) -*** Redisplay with scaled images is slow when built with Cairo. +*** Redisplay with scaled images is slow in Emacs built with Cairo. -Cairo expends a noticeable amount of time displaying large images with -a transform applied. These images most frequently appear within Eww -buffers or Image Mode buffers after executing the image scaling +Cairo expends a noticeable amount of CPU time displaying large images +with applied transforms. These images most frequently appear within +EWW buffers or in Image Mode buffers after executing the image scaling commands `i +' or `i -', and their presence incurs a performance penalty of hundereds of milliseconds to seconds upon redisplay. The -remedy is to build without Cairo after verifying the XRender extension -is present on your X server and its headers are present on your -system, whereupon Emacs will use that extension to efficiently perform -image transforms within the X server. +remedy is to build Emacs without Cairo after verifying the XRender +extension is present on your X server and its headers are present on +your system, in which case Emacs will use XRender to efficiently +perform image transforms within the X server. *** Error messages about undefined colors on X.