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diff --git a/2020/subtitles/emacsconf-2020--38-emacs-development-update--john-wiegley-autogen.sbv b/2020/subtitles/emacsconf-2020--38-emacs-development-update--john-wiegley-autogen.sbv deleted file mode 100644 index 803bb0c9..00000000 --- a/2020/subtitles/emacsconf-2020--38-emacs-development-update--john-wiegley-autogen.sbv +++ /dev/null @@ -1,459 +0,0 @@ -0:00:00.080,0:00:04.960 -hello EmacsConf this is john wigley I'm - -0:00:03.040,0:00:06.319 -one of the co-maintainers of Emacs along - -0:00:04.960,0:00:09.280 -with ellie zoretsky - -0:00:06.319,0:00:09.840 -and lars ingebrigston and I wanted to - -0:00:09.280,0:00:12.639 -give you - -0:00:09.840,0:00:14.960 -a technical update on what has been - -0:00:12.639,0:00:18.400 -happening - -0:00:14.960,0:00:20.640 -with the Emacs in the last year so - -0:00:18.400,0:00:21.600 -specifically uh we have a few notes that - -0:00:20.640,0:00:24.480 -I've gotten from - -0:00:21.600,0:00:25.840 -a call with ellie he's been in charge of - -0:00:24.480,0:00:28.000 -directing most of the - -0:00:25.840,0:00:30.160 -technical contributions on the mailing - -0:00:28.000,0:00:33.200 -list and monitoring all the patches - -0:00:30.160,0:00:35.840 -so I'm more here just as a messenger - -0:00:33.200,0:00:37.120 -he says that we have good progress and - -0:00:35.840,0:00:39.040 -support for cairo - -0:00:37.120,0:00:40.320 -this is going to be enabled by default - -0:00:39.040,0:00:42.480 -and emax 28 - -0:00:40.320,0:00:44.800 -and cairo plus half buzz is going to be - -0:00:42.480,0:00:46.879 -the preferred rendering combination - -0:00:44.800,0:00:48.719 -so cairo support is not new but in the - -0:00:46.879,0:00:51.440 -past there were a lot of bugs in the - -0:00:48.719,0:00:52.960 -code and so it was made experimental - -0:00:51.440,0:00:54.960 -so most of those bugs have been fixed - -0:00:52.960,0:00:56.320 -recently and now it becomes the default - -0:00:54.960,0:00:58.320 -and the next major version - -0:00:56.320,0:01:00.320 -which will enable several good features - -0:00:58.320,0:01:01.680 -such as color emojis if you're looking - -0:01:00.320,0:01:04.720 -forward to those - -0:01:01.680,0:01:06.560 -xft as a result is deprecated there are - -0:01:04.720,0:01:07.760 -bugs not getting fixed in that code it - -0:01:06.560,0:01:08.720 -doesn't appear to be very well - -0:01:07.760,0:01:10.960 -maintained - -0:01:08.720,0:01:13.760 -it was the most advanced font mac end - -0:01:10.960,0:01:15.920 -and emax before cairo became dependable - -0:01:13.760,0:01:17.840 -so now that we have a more a better - -0:01:15.920,0:01:19.360 -maintained and available solution in - -0:01:17.840,0:01:23.200 -cairo we're going to go from that - -0:01:19.360,0:01:23.840 -go from xft to that native compilation - -0:01:23.200,0:01:26.400 -in lisp - -0:01:23.840,0:01:28.080 -will also be landing soon it's currently - -0:01:26.400,0:01:28.799 -on a branch but there are several people - -0:01:28.080,0:01:31.040 -using it - -0:01:28.799,0:01:32.479 -they say they're very impressed it does - -0:01:31.040,0:01:35.600 -require live gcc - -0:01:32.479,0:01:37.439 -jit to be installed for it to work and - -0:01:35.600,0:01:38.960 -this means you have to have gcc 10 - -0:01:37.439,0:01:41.040 -installed - -0:01:38.960,0:01:42.240 -execution of Emacs lisp with native - -0:01:41.040,0:01:45.280 -compilation on - -0:01:42.240,0:01:46.159 -is about 2.5 times faster than the - -0:01:45.280,0:01:48.399 -bytecode - -0:01:46.159,0:01:49.439 -interpreter we don't yet have any - -0:01:48.399,0:01:51.600 -measurements on - -0:01:49.439,0:01:52.960 -memory or how it affects resources - -0:01:51.600,0:01:54.720 -besides cpu so - -0:01:52.960,0:01:56.399 -we do look forward to having more - -0:01:54.720,0:01:58.320 -numbers and analysis to see what the - -0:01:56.399,0:02:01.360 -real impact of that is going to be - -0:01:58.320,0:02:02.799 -also it may vary in compute advantage - -0:02:01.360,0:02:04.320 -based on the type of workload that - -0:02:02.799,0:02:06.240 -you're performing - -0:02:04.320,0:02:08.080 -a downside to the native compilation at - -0:02:06.240,0:02:10.720 -the moment is that it takes a long - -0:02:08.080,0:02:12.720 -time to compile even when you're doing a - -0:02:10.720,0:02:14.959 -16 core build of Emacs - -0:02:12.720,0:02:15.760 -it can still take 15 minutes to compile - -0:02:14.959,0:02:17.840 -Emacs - -0:02:15.760,0:02:19.520 -and all of its in all of its lisp code - -0:02:17.840,0:02:21.840 -with this enabled - -0:02:19.520,0:02:23.120 -also this is going to have to happen on - -0:02:21.840,0:02:25.360 -every user's machine - -0:02:23.120,0:02:27.520 -because we cannot distribute the native - -0:02:25.360,0:02:28.319 -compilation products they are specific - -0:02:27.520,0:02:29.760 -to the compo - -0:02:28.319,0:02:31.440 -to the processor that you might be - -0:02:29.760,0:02:33.920 -running on so - -0:02:31.440,0:02:35.680 -the emax distribution will remain much - -0:02:33.920,0:02:37.760 -as it is now but if you want to have the - -0:02:35.680,0:02:39.599 -benefits of natively compiled - -0:02:37.760,0:02:41.519 -core lisp files you're going to have to - -0:02:39.599,0:02:42.400 -spend that time and have gcc 10 - -0:02:41.519,0:02:45.840 -available - -0:02:42.400,0:02:48.959 -to get that compilation support um - -0:02:45.840,0:02:52.160 -the gtk only build is being prepared - -0:02:48.959,0:02:52.959 -for merging so what this does is it - -0:02:52.160,0:02:55.120 -throws away - -0:02:52.959,0:02:56.000 -most of the other tool kits that Emacs - -0:02:55.120,0:02:59.280 -was using - -0:02:56.000,0:03:01.760 -and relies only on gtk making Emacs - -0:02:59.280,0:03:03.920 -much more of a gtk application than it - -0:03:01.760,0:03:06.480 -has been - -0:03:03.920,0:03:08.480 -the main issue here is that we were - -0:03:06.480,0:03:09.360 -abusing gtk in some ways that weren't - -0:03:08.480,0:03:10.879 -really meant - -0:03:09.360,0:03:12.879 -and now we're going to be more of a - -0:03:10.879,0:03:14.080 -first club gtk will be more of a first - -0:03:12.879,0:03:17.040 -class citizen in the - -0:03:14.080,0:03:17.440 -approach and the ways that we use it and - -0:03:17.040,0:03:19.280 -and - -0:03:17.440,0:03:21.200 -be using it in the ways that the gtk - -0:03:19.280,0:03:23.360 -developers intended - -0:03:21.200,0:03:24.640 -there is going to be much more support - -0:03:23.360,0:03:27.280 -for xt mouse - -0:03:24.640,0:03:29.120 -so xt mouse allows you to use your mouse - -0:03:27.280,0:03:30.799 -inside of a terminal window - -0:03:29.120,0:03:33.120 -which you could do before but there were - -0:03:30.799,0:03:36.159 -certain aspects such as menus - -0:03:33.120,0:03:38.239 -that weren't supported so instead of - -0:03:36.159,0:03:39.840 -having kind of partial support for mouse - -0:03:38.239,0:03:42.879 -inside of an x term with xt - -0:03:39.840,0:03:44.959 -mouse you get full support this is going - -0:03:42.879,0:03:46.720 -to allow - -0:03:44.959,0:03:48.159 -changes in the way that things can be - -0:03:46.720,0:03:51.200 -bound the ways that - -0:03:48.159,0:03:53.200 -uh key bindings can the mouse events can - -0:03:51.200,0:03:56.879 -be mapped to key bindings while in - -0:03:53.200,0:03:58.480 -x terms and um yeah little by little - -0:03:56.879,0:03:59.040 -this support is being extended even - -0:03:58.480,0:04:01.599 -further - -0:03:59.040,0:04:04.080 -so we look forward to seeing that - -0:04:01.599,0:04:06.239 -develop in the near term - -0:04:04.080,0:04:08.080 -once this is merged by the way also then - -0:04:06.239,0:04:09.840 -Emacs will have mouse support in every - -0:04:08.080,0:04:12.720 -one of its available configurations - -0:04:09.840,0:04:14.680 -which has not been true until now Emacs - -0:04:12.720,0:04:17.519 -27 will be soon releasing - -0:04:14.680,0:04:19.919 -27.2 and the pretest for that should - -0:04:17.519,0:04:20.880 -begin sometime soon after Emacs comp is - -0:04:19.919,0:04:23.360 -done - -0:04:20.880,0:04:24.800 -and finally Emacs 28 is going to get - -0:04:23.360,0:04:26.479 -better emoji support - -0:04:24.800,0:04:29.120 -right now emojis are registered - -0:04:26.479,0:04:31.759 -internally within Emacs as symbols - -0:04:29.120,0:04:33.759 -which works in some ways but does not - -0:04:31.759,0:04:37.360 -support some of the special features - -0:04:33.759,0:04:40.000 -of of emojis such as different - -0:04:37.360,0:04:41.120 -skin tones for the hand emoji or face - -0:04:40.000,0:04:43.280 -emojis - -0:04:41.120,0:04:45.199 -in Emacs 28 emojis are going to have - -0:04:43.280,0:04:47.199 -their own support within the sequel - -0:04:45.199,0:04:49.360 -c code and then this is going to allow - -0:04:47.199,0:04:52.720 -those types of variations and other - -0:04:49.360,0:04:54.639 -emoji specific font setups so that is - -0:04:52.720,0:04:56.720 -everything for Emacs - -0:04:54.639,0:04:59.120 -in the future I don't have a timeline - -0:04:56.720,0:05:01.520 -for you on when 28 will be available - -0:04:59.120,0:05:02.720 -but 27 is going to keep improving until - -0:05:01.520,0:05:04.479 -we're ready to get there - -0:05:02.720,0:05:06.479 -so have fun with the rest of you max - -0:05:04.479,0:05:09.199 -conf and I hope to see you there - -0:05:06.479,0:05:09.199 -bye - |