Glue inline math to hugging punctuation so it can't orphan-wrap#215
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KaTeX renders inline math inside a display:inline-block box — an atomic inline the browser can soft-wrap on both sides. That let a period written right after a formula ($x$.) or a bracket written right before one (($x$) flow onto its own line, away from the formula it belongs to. Wrap each inline formula together with the whitespace-free run hugging it on either side in a white-space:nowrap span. This lands on both render paths via shared glue primitives (takeLeadingGlue/takeTrailingGlue): the string renderer (renderMathContentToHtml, rebuilt around a typed-segment model) and the markdown pipeline (a new rehype-math-nowrap plugin run after rehype-katex). CSS rounds it out: hyphens:none in math prose, a p:has(.katex) carve-out that backs WebKit off text-wrap:pretty (which mishandles the atomic nowrap spans), and a hanging-indent gutter so wrapped list lines align under the text. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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KaTeX renders inline math inside a
display:inline-blockbox — an atomic inline the browser can soft-wrap on either side. That let a period written right after a formula ($x$.) or a bracket written right before one (($x$) flow onto its own line, away from the formula it belongs to.This wraps each inline formula together with the whitespace-free run hugging it on either side in a
white-space:nowrapspan, on both render paths via shared glue primitives (takeLeadingGlue/takeTrailingGlue):renderMathContentToHtmlrebuilt around a typed-segment model (TextSegment | InlineMathSegment | DisplayMathSegment) plus a glue pass.rehype-math-nowrapplugin appended afterrehype-katexin both the shared<Markdown>pipeline and the headless validator.CSS rounds it out:
hyphens: nonein math prose, ap:has(.katex)carve-out that backs WebKit offtext-wrap: pretty(which mishandles the atomic nowrap spans), and a hanging-indent gutter so wrapped list lines align under the text rather than the marker.Covered by new vitest specs for the glue primitives, both render paths (including escaping, shared-text gluing, and the previously-untested
inlineBlockToMathSource), and idempotency.🤖 Generated with Claude Code