https://git.ruby-lang.org/ruby.git/commit/?id=78c175280b

From 78c175280befc8f0078ee037233ce1bb0af80ed6 Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@o...>
Date: Sat, 18 Dec 2021 21:42:17 +1300
Subject: Fix code formatting.

---
 doc/hacking.md | 54 +++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 35 insertions(+), 19 deletions(-)

diff --git a/doc/hacking.md b/doc/hacking.md
index 088e7c2acaa..5bbb04b176b 100644
--- a/doc/hacking.md
+++ b/doc/hacking.md
@@ -8,33 +8,39 @@ This document gives some helpful instructions which should make your experience https://github.com/ruby/ruby/blob/trunk/doc/hacking.md#L8
 
 It's common to want to compile things as quickly as possible. Ensuring `make` has the right `--jobs` flag will ensure all processors are utilized when building software projects. To do this effectively, you can set `MAKEFLAGS` in your shell configuration/profile:
 
-	# On macOS with Fish shell:
-	export MAKEFLAGS="--jobs "(sysctl -n hw.ncpu)
+``` shell
+# On macOS with Fish shell:
+export MAKEFLAGS="--jobs "(sysctl -n hw.ncpu)
 
-	# On macOS with Bash/ZSH shell:
-	export MAKEFLAGS="--jobs $(sysctl -n hw.ncpu)"
+# On macOS with Bash/ZSH shell:
+export MAKEFLAGS="--jobs $(sysctl -n hw.ncpu)"
 
-	# On Linux with Fish shell:
-	export MAKEFLAGS="--jobs "(nproc)
+# On Linux with Fish shell:
+export MAKEFLAGS="--jobs "(nproc)
 
-	# On Linux with Bash/ZSH shell:
-	export MAKEFLAGS="--jobs $(nproc)"
+# On Linux with Bash/ZSH shell:
+export MAKEFLAGS="--jobs $(nproc)"
+```
 
 ## Configure Ruby
 
 It's generally advisable to use a build directory.
 
-	./autogen.sh
-	mkdir build
-	cd build
-	../configure --prefix $HOME/.rubies/ruby-head
-	make install
+``` shell
+./autogen.sh
+mkdir build
+cd build
+../configure --prefix $HOME/.rubies/ruby-head
+make install
+```
 
 ### Without Documentation
 
 If you are frequently building Ruby, this will reduce the time it takes to `make install`.
 
-	../configure --disable-install-doc
+``` shell
+../configure --disable-install-doc
+```
 
 ## Running Ruby
 
@@ -42,7 +48,9 @@ If you are frequently building Ruby, this will reduce the time it takes to `make https://github.com/ruby/ruby/blob/trunk/doc/hacking.md#L48
 
 You can create a file in the Ruby source root called `test.rb`. You can build `miniruby` and execute this script:
 
-	make run
+``` shell
+make run
+```
 
 If you want more of the standard library, you can use `runruby` instead of `run`.
 
@@ -50,20 +58,28 @@ If you want more of the standard library, you can use `runruby` instead of `run` https://github.com/ruby/ruby/blob/trunk/doc/hacking.md#L58
 
 There are a set of tests in `bootstraptest/` which cover most basic features of the core Ruby language.
 
-	make test
+``` shell
+make test
+```
 
 ### Run Extensive Tests
 
 There are extensive tests in `test/` which cover a wide range of features of the Ruby core language.
 
-	make test-all
+``` shell
+make test-all
+```
 
 You can run specific tests by specifying their path:
 
-	make test-all TESTS=../test/fiber/test_io.rb
+``` shell
+make test-all TESTS=../test/fiber/test_io.rb
+```
 
 ### Run RubySpec Tests
 
 RubySpec is a project to write a complete, executable specification for the Ruby programming language.
 
-	make test-all test-rubyspec
+``` shell
+make test-all test-rubyspec
+```
-- 
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