Fix quadratic time on backticks

This commit adds a cache `StateInline->backticks` which remembers positions for every possible backtick closer (`, ``, ```, etc.). Algorithm is similar to one described here: mity/md4c@685b714 close #733
markdown-it · Nov 20, 2020 · b96afeb · b96afeb
1 parent 1d18c8a
commit b96afeb
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 - `[](<foo<bar>)` is no longer a valid link.
 - Fix performance issues when parsing links, #732.
+- Fix performance issues when parsing backticks, #733.
 
 
 ## [12.0.2] - 2020-10-23