Description

When I write a graph with a node whose label contains an equation, it seems impossible to add manual linebreaks to the text, regardless of whether you try to put them inside the equation or outside it.

Steps to reproduce

Open on mermaid.live

Screenshots

Code Sample

graph TD
  plain["line 0
  line 1"]
  markdown["`line 0
  line 1`"]
  plainmath["line 0
  line 1
  $$x=42$$
  line 2"]
  markdownmath["`line 0
  line 1
  $$x=42$$
  `"]

Setup

• Mermaid version: v11.12.0
• Browser and Version: Safari 26.1

Suggested Solutions

No response

Additional Context

No response