docs: explain collision-free Markdown prefix length

2026-09-29 08:03:20 +00:00 · 2026-09-05 15:14:34 -07:00
parent f7bce308d9
commit bb782e00cc
1 changed files with 1 additions and 0 deletions
@@ -212,6 +212,7 @@ function codePlaceholderPrefix(content: string): string {
    while (content[cursor] === '_') {
      cursor += 1
    }
+    // One extra underscore keeps the prefix longer than every authored run.
    suffixLength = Math.max(suffixLength, cursor - suffixStart + 1)
  }
  return CODE_PLACEHOLDER_PREFIX_BASE + '_'.repeat(suffixLength)