Skip to content

perf: fix backtracking in padantic html - #4173

Merged
UziTech merged 1 commit into
markedjs:masterfrom
UziTech:pedantic-comment
Nov 2, 2026
Merged

UziTech merged 1 commit into
markedjs:masterfrom
UziTech:pedantic-comment

Conversation

@UziTech

@UziTech UziTech commented Oct 31, 2026

Copy link
Copy Markdown
Member

Marked version: v18.1.2
Markdown flavor: Pedantic

Description

A comment in pedantic markdown with many spaces after followed by a non-space character ran in quadratic time.

Thanks @kigma00 for finding this

Contributor

  • Test(s) exist to ensure functionality and minimize regression (if no tests added, list tests covering this PR); or,
  • no tests required for this PR.
  • If submitting new feature, it has been documented in the appropriate places.

Committer

In most cases, this should be a different person than the contributor.

@vercel

vercel Bot commented Oct 31, 2026

Copy link
Copy Markdown

@UziTech is attempting to deploy a commit to the MarkedJS Team on Vercel.

A member of the Team first needs to authorize it.

@vercel

vercel Bot commented Oct 31, 2026 •

Copy link
Copy Markdown

The latest updates on your projects. Learn more about Vercel for GitHub.

Project Deployment Actions Updated
marked-website Ready Ready Preview Oct 31, 2026 6:36pm UTC

Request Review

@UziTech
UziTech merged commit 2d4a23c into markedjs:master Nov 2, 2026
8 checks passed
github-actions Bot pushed a commit that referenced this pull request Nov 2, 2026
## [18.1.3](v18.1.2...v18.1.3) (2026-11-02)

### Bug Fixes

* allow trailing tabs after a setext heading underline ([#4152](#4152)) ([1f1b480](1f1b480))
* avoid quadratic scan for unmatched emphasis delimiters ([#4103](#4103)) ([eab1e48](eab1e48)), closes [#4099](#4099)
* await promise arrays from walkTokens extensions ([#4153](#4153)) ([c38704c](c38704c))
* **cli:** honor defaults and config when outputting tokens ([#4146](#4146)) ([9470e8f](9470e8f))
* collapse internal whitespace when normalizing link labels ([#4157](#4157)) ([02c73e8](02c73e8))
* do not allow a blank line inside a link reference definition label ([#4165](#4165)) ([f3d21af](f3d21af))
* don't treat an escaped ) or quote as an inline link or title closer ([#4151](#4151)) ([9cb84e0](9cb84e0))
* end a list item before a lazy line after an html block ([#4159](#4159)) ([7ba42f4](7ba42f4))
* end blockquote before a lazy line after a table ([#4161](#4161)) ([e7dcf52](e7dcf52))
* isolate extension names from Object.prototype ([#4177](#4177)) ([5cb03bd](5cb03bd))
* keep a block quote open after a lazy line in a nested block quote ([#4175](#4175)) ([1d7272f](1d7272f))
* only close a code fence with the opening fence character ([#4164](#4164)) ([1d4d8fe](1d4d8fe))
* preserve zero-valued custom renderer results ([#4162](#4162)) ([e43ceef](e43ceef))
* recognize task list items when a tab follows the checkbox ([#4163](#4163)) ([64a299d](64a299d))
* start a GFM www autolink only at a word boundary ([#4166](#4166)) ([84beefb](84beefb))

### Performance Improvements

* fix backtracking in padantic html ([#4173](#4173)) ([2d4a23c](2d4a23c))

This branch was successfully deployed

1 active deployment
Preview — ae77c323 Deployed Oct 31, 2026 by vercel[bot]
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants