RE: Regarding performance issues with the Emacs 25.1 Windows-build

[jsj.register]

Thanks for the suggestion and the information.

Problem solved.

 

jsj

 

From: Richard Copley
Sent: Sunday, January 8, 2017 11:40 PM
To: address@hidden
Cc: address@hidden; address@hidden
Subject: Re: Regarding performance issues with the Emacs 25.1 Windows-build

 

On 9 January 2017 at 06:33,  <address@hidden> wrote:

> I encountered huge lags when using org mode (detailed below) on build

> “emacs-25.1-2-x86_64-w64-mingw32.zip” with “emacs-25-x86_64-deps.zip” (from

> ftp.gnu.org).

> 

> With the same configuration and the same org file, everything is fine on Mac

> (emacs 25) and on Windows (emacs 24.5), so I think I might post is here. I

> am sorry if this is the wrong place.

> 

> 

> 

> Reproducing it is a little bit tricky.

> 

> It seems to happen when certain utf8 symbols are displayed in the buffer.

> 

> By saying "certain utf8 symbols”, I refer to those that are not with the

> common width, so it depends on the font you are using.

> 

> What I did is the following.

> 

> 

> 

> I am using the latest org mode (version 9) and have turned on

> “org-pretty-entities” , which replaces some latex codes (eg. \alpha) with

> their corresponding utf-8 symbols.

> 

> The font I use in emacs is “Hack”. With this font, greek letters are all OK,

> they have the same width as the English letters.

> 

> One example to show the lag is “\gg”.

> 

> Simply open an org file and put in “\gg” followed by a space and some other

> letters. “\gg” will be displayed as a utf8 symbol.

> 

> Then try to move the cursor quickly. You should experience huge lags.

 

Try installing the Symbola font, if you don't already have it.

 

(https://debbugs.gnu.org/cgi/bugreport.cgi?bug=25279)