Update number

Author: ryuichiueda

README.md

@@ -15,8 +15,7 @@ Bash-completion starts working on our shell! ([how to use](docs/SETUP_BASH_COMPL
 
 A clone of Bash, which is developed as a hobby of our group and for monthly articles on SoftwareDesign magazine published by Gijutsu-Hyohron Co., Ltd.
 
-## Quick 
-Start
+## Quick Start
 
 ```bash
 $ git clone https://github.com/shellgei/rusty_bash.git
@@ -43,7 +42,7 @@ ueda@uedaP1g6:main🌵~/GIT/rusty_bash🍣
 
 ## Comparison with Bash 5.2
 
-This graph shows the test result with the script in `./sush_test/bash_genuine_test` of [this test repository](https://github.com/ryuichiueda/bash_for_sush_test). Currently, the binary built from alpha repo has passed 15 of 84 test scripts. 
+This graph shows the test result with the script in `./sush_test/bash_genuine_test` of [this test repository](https://github.com/ryuichiueda/bash_for_sush_test). Currently, the binary built from alpha repo has passed 20 of 84 test scripts. 
 
 ![](https://github.com/ryuichiueda/bash_for_sush_test/blob/master/sush_test/graph.png)
 
@@ -180,8 +179,8 @@ Bash Variables
 |-------------------|----|-------------------|----|-------------------|----|
 | _ | :heavy_check_mark: | BASH | :no_good: | BASHOPTS | :no_good: |
 | BASHPID | :heavy_check_mark: | BASH_ALIASES | :no_good: | BASH_ARGC | :no_good: |
-| BASH_ARGV | :heavy_check_mark: | BASH_ARGV0 | :no_good: | BASH_CMDS | :no_good: |
-| BASH_COMMAND | :heavy_check_mark: | BASH_COMPAT | :no_good: | BASH_ENV | :no_good: |
+| BASH_ARGV | :no_good: | BASH_ARGV0 | :no_good: | BASH_CMDS | :no_good: |
+| BASH_COMMAND | :no_good: | BASH_COMPAT | :no_good: | BASH_ENV | :no_good: |
 | BASH_EXECUTION_STRING | :no_good: | BASH_LINENO | :no_good: | BASH_LOADABLES_PATH | :no_good: |
 | BASH_REMATCH | :heavy_check_mark: | BASH_SOURCE | :no_good: | BASH_SUBSHELL | :heavy_check_mark: |
 | BASH_VERSINFO | :heavy_check_mark: | BASH_VERSION | :heavy_check_mark: | BASH_XTRACEFD | :no_good: |
@@ -229,6 +228,9 @@ Partially in Japanese.
     * [原理原則で理解するフォアグラウンドプロセスとバックグラウンドプロセスの違い | @tajima_taso](https://qiita.com/tajima_taso/items/c5553762af5e1a599fed)
     * [Bashタブ補完自作入門 | Cybouzu Inside Out](https://blog.cybozu.io/entry/2016/09/26/080000)
 
+## Attempts by other groups
+
+- [reubeno/brush](https://github.com/reubeno/brush)
 
 ## Copyright