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https://github.com/dongdigua/dongdigua.github.io
synced 2024-11-23 19:43:08 +08:00
postamble color to gentoo purple, rm bbs iconv code
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0a3c108324
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@ -320,7 +320,7 @@ https://github.com/rgb-24bit/org-html-theme-list org-joshua
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padding: .3em;
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margin-bottom: 1em;
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border: 1px solid gray;
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background-color: #d7dfed; /* same as pre */
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background-color: #dddaec; /* Gentoo Purple */
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}
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#show_source {
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@ -37,8 +37,10 @@ var data = [
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"你说得对，但是《长安汽车》是由艺画开天自主研发的一款全新开放世界冒险游戏。",
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"Emacs has Evil, but Vim doesn't have Magit",
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"免费服务的代价就是你自己",
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"<a id=quote href=https://www.openbsd.org/lyrics.html#62> The only change that was required was a three-line diff</a>",
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"<a id=quote href=https://www.openbsd.org/lyrics.html#62>The only change that was required was a three-line diff</a>",
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"<a id=quote href=https://www.gnu.org/music/free-software-song.en.html>GNU SLASH MUZIC</a>",
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"<a id=quote href=https://book.bsdcn.org/di-19-zhang-wen-xue-gu-shi/di-19.3-jie-linux-yu-ku-nan-zhe-xue.html>FreeBSD 拼写有四样写法，你知道么？”，“不能写罢？……我教给你，记着！\n‘FreeBSD’、‘freeBSD’、‘Freebsd’、‘freebsd’这些字应该记着。\n以后做 FreeBSD 管理员的时候，写文档要用。</a>",
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"不要说我们一无所有, 我们要把世界格式化",
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];
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var index = Math.floor((Math.random() * data.length));
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@ -15,6 +15,9 @@ BIOS: ami
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但是这种 IO 密集型任务南桥会很烫烫烫, 所以还是开着
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* Alpine? no
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:PROPERTIES:
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:CUSTOM_ID: alpine
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:END:
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Alpine 是一个很好的发行版, 使用 "suck less" 的 musl 和 OpenRC
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ps 看进程不到一页
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*但 是*
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@ -1,83 +0,0 @@
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#+TITLE: 支线任务: 中文 BBS GBK 转 UTF8
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#+DESCRIPTION: 造轮子好玩
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#+DATE: <2023-01-27 五>
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我过年这两天在服务器运维群看到了 水木清华BBS 这个东西,
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于是就 telnet 试了下, 发现字符集是 GBK!
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emmm, 设置环境变量启动终端不行, 就得在 gnome-terminal 设置里面弄.
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进去看了, 发现好多神奇的东西, 但整体还是没落, 现在还是虎年的欢迎页面...
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结合我之前在 sdf.org, 新黑客词典, youtube 等地方看到的关于 BBS 的记忆片段,
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使我开始考古这个从曾经那个时代来的我从没接触过的东西.
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先解决客户端问题:
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我在 Back To BBS 节目里面看到了 [[https://syncterm.bbsdev.net][Syncterm]] 和 [[http://www.mysticbbs.com/downloads.html][Netrunner]],
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一个不支持中文, 一个根本无法启动 (cannot open display).
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然后我找到了 qterm, 先是在水木 FreeBSD 版块看见的, 后来搜索 BBS 客户端时想起来了.
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下下来试一下, 不错. 但是我不想为了这一个东西而装一个额外软件, 还得编译.
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然后就想, 如果不能终端解码, 那为啥不先转换成 UTF8 再显示呢?
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那就 iconv? 结果人家是全输入完 EOF 了才显示...
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有没有方式能不缓冲而是 on-the-fly 呢? 搜索引擎没搜到.
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那就自己写!
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iconv 是基于 libiconv 库, 看看文档就能写了, 虽然我基本没写过 C 代码.
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为什么不用 Rust? 因为我弄这个主要还是想弄到 OpenBSD 上, Rust 要一些依赖, 而 C 直接就能用.
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#+BEGIN_SRC C
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#include <stdio.h>
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#include <iconv.h>
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#define UTF8_SIZE 4
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int
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convert_one(iconv_t cd)
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{
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char inbuf[2] = {0};
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char outbuf[UTF8_SIZE] = {0};
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size_t insize = 1;
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size_t outsize = UTF8_SIZE;
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char c = getchar();
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if (c == EOF)
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return 1;
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inbuf[0] = c;
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char * pIn = inbuf;
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char * pOut = (char*) outbuf;
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size_t iconv_result = iconv(cd, &pIn, &insize, &pOut, &outsize);
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if (iconv_result == (size_t) -1) {
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inbuf[1] = getchar();
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insize = 2;
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iconv(cd, &pIn, &insize, &pOut, &outsize);
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}
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for (int i = 0; i < UTF8_SIZE; i++) {
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if (outbuf[i] != 0)
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putchar(outbuf[i]);
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fflush(stdout);
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}
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return 0;
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}
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int
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main(void)
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{
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iconv_t cd = iconv_open("UTF8", "GBK");
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while (1)
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if (convert_one(cd) == 1) break;
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iconv_close(cd);
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return 0;
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}
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#+END_SRC
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好使, 但是, 我写这篇文章的时候又过去看了眼那个帖子的回复, 发现有这个:
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#+BEGIN_EXAMPLE
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luit -encoding gbk <command>
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#+END_EXAMPLE
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嗯, 好使...
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另一个帖子说 GNU screen 也可以,
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然后搜索 screen 转码的时候看到了这个 [[https://wadarochi.github.io/2011/05/24/GNU-screen-encoding的替代品，自制BBS转码脚本/][GNU screen encoding的替代品，自制BBS转码脚本]]
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*但自己造轮子还是很开心哈哈*
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@ -12,6 +12,7 @@ gcc (it's GNU emacs, so...) 参数来源:
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- https://snoopitek.com/make.conf
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#+BEGIN_SRC sh
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./configure CFLAGS="-march=native -O3 -pipe -fno-math-errno -fgraphite-identity -floop-nest-optimize -fno-semantic-interposition -fno-strict-aliasing -fno-common -fipa-pta -fno-plt" \
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LDFLAGS="-Wl,-no-as-needed -ljemalloc -Wl,-as-needed" \
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--with-x=no \
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--with-gpm=no \
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--with-pgtk \
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@ -1,7 +1,7 @@
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#+TAGS: elixir(e) rust(r) c(c) lisp(l) python(p) nim(n)
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#+TAGS: lowlevel(w) frontend(f) backend(b) algorithm(a) math(t)
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#+TAGS: hack(h) fun(u) wow(O)
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#+TAGS: emacs(m) linux(x) iot(i) plan9(9) BSD(B)
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#+TAGS: emacs(m) linux(x) iot(i) plan9(9) BSD(B) PGP(P)
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#+TAGS: smth mailinglist
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#+OPTIONS: toc:1 ^:{}
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@ -16,8 +16,8 @@
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#+END_SRC
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#+BEGIN_QUOTE
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这才是互联网好玩的地方, 你总能在某个奇怪的角落发现神奇的东西
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-- 我
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You can always find something magical on the Internet.
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-- says an anonymous AI
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#+END_QUOTE
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* (Personal) Blogs
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@ -171,13 +171,14 @@ funny byte
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**** [[https://lantian.pub/article/modify-website/how-to-kill-the-dn42-network.lantian/][如何引爆 DN42 网络]]
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** [[https://ulyc.github.io/][UlyC]] :python:
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*** [[https://ulyc.github.io/2022/08/10/sourcehut-the-hackers-forge/][sourcehut, 一个反叛而又正统的代码托管平台]]
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*** [[https://ulyc.github.io/2021/01/13/2021年-用更现代的方法使用PGP-上/][2021年, 用更现代的方法使用PGP]]
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*** [[https://ulyc.github.io/2021/01/13/2021年-用更现代的方法使用PGP-上/][2021年, 用更现代的方法使用PGP]] :PGP:
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#+BEGIN_QUOTE
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同样是非对称算法, 为什么PGP的私钥就长这么多呢？
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因为他们用的算法不同, 比特币默认使用的是ECDSA的 secp256k1算法, 该算法只是用来签名和认证, 并不用来加密
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(signify 只用于签名认证, age 只用于加密, 所以密钥也比较短)
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#+END_QUOTE
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**** [[https://spwo.notion.site/GitHub-6b1e1d57f52c4664bff61cadb3f9cb8d][震惊! 竟然有人在 GitHub 上冒充我的身份!]]
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**** [[https://chenhe.me/post/yubikey-starting-gpg/][YubiKey 入手记 - GPG]]
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*** [[https://ulyc.github.io/2019/08/01/初窥CORB/][Cross-Origin Read Blocking]]
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** [[https://kernal.eu][kernal]]
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Welcome to the darkest dungeon of kernal
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@ -260,6 +261,10 @@ very beautiful page
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** [[https://awesomekling.github.io][Andreas Kling (SerenityOS)]]
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** [[https://blog.codingnow.com][云风的 BLOG]]
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*** [[https://blog.codingnow.com/2012/07/c_coroutine.html][C 的 coroutine 库]]
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** [[https://feng.si][feng.si]]
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*** [[https://dejavu.moe/posts/vanity-pgp/][某科学的 PGP 算号指南]] :PGP:
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*** [[https://feng.si/posts/2019/07/centos-the-last-linux-distro-you-should-ever-consider][CentOS: 永远有多远就离它多远]]
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** B/HWS/fri3nds
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*** [[https://shakaianee.top/][社会易姐]]
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@ -385,6 +390,7 @@ inspiration: Veritasium
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*** [[https://youtu.be/MnJh1xJ7rDY][lisp on arduino (Tuesday Streams)]]
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*** [[https://youtu.be/QaLvtNpoc5o][RubyKaigi 2015: JIT]]
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*** [[https://youtu.be/1EIpek60rs0][DT: Linux Has Become Complicated And Limiting]]
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*** [[https://youtu.be/saq3JGOsB3M][How to Predict a DVD Logo Hitting the Corner!]]
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** [[https://www.youtube.com/@Computerphile][<C>]]
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*** [[https://youtu.be/BAo5C2qbLq8][Network Time Protocol (NTP)]]
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@ -490,6 +496,7 @@ Huwawei NB!
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** [[https://lore.kernel.org/lkml/63efd7ab.170a0220.3442b.6609@mx.google.com/][Linus: If you cannot explain a merge, then JUST DON'T DO IT]]
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** [[https://lists.gnu.org/archive/html/emacs-devel/2023-01/msg00425.html][Re: Consideration for Rust contributions in Emacs]]
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from emacs-china, about multi-thread
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** [[https://lore.kernel.org/all/20230314103316.313e5f61@kernel.org/][We don't feel comfortable accepting patches from or relating to hardware produced by your organization]]
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* Other
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:PROPERTIES:
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