testing emoji in headers, especially for TOC generation

emoji.md

➡ TOC ⬅

1. ➡ TOC ⬅
2. 💩 poop
   1. 🔒 locked
      1. extra whitespace (trailing too)
   2. 🤷 shrug
   3. 🚀 rocket
      1. 🙈 see no evil
      2. 🙊 speak no evil
      3. 🙉 hear no evil
3. wtf dude /?!:[].,()*"';{}+=<>~\$|#@&–— omg
   1. seriously 。？！，、；：“”【】（）〔〕［］﹃﹄“ ”‘’﹁﹂—…－～《》〈〉「」 what
   2. hmmmmm %20 hmmmmmmm %af what %zz sleepy
4. foo-2
5. foo
   1. foo
      1. foo
6. foo
7. foo-1
8. 💩😶⬅➡🔒🔄🦾
9. 🤢🤷🙃
10. -1
11. 👀 what 💩 is 🚀 even 🤢 happening 🤷

💩 poop

🔒 locked

extra whitespace (trailing too)

🤷 shrug

wtf

# foo
## bar
### baz
omg
# buzz

🚀 rocket

🙈 see no evil

🙊 speak no evil

🙉 hear no evil

wtf dude /?!:[].,()*"';{}+=<>~\$|#@&–— omg

seriously 。？！，、；：“”【】（）〔〕［］﹃﹄“ ”‘’﹁﹂—…－～《》〈〉「」 what

hmmmmm %20 hmmmmmmm %af what %zz sleepy

foo-2

foo

foo

foo

foo

foo-1

lol

💩😶⬅➡🔒🔄🦾

this exposes a bug in GitHub where the anchor becomes completely empty, which obviously doesn't work

🤢🤷🙃

then this guy also goes empty, but is a duplicate, so it gets "-1" appended

-1

this anchor should match the previous one, so it should become -1-1, in theory

👀 what 💩 is 🚀 even 🤢 happening 🤷