small changes

static/js/wiki/markdown.js

@@ -182,6 +182,44 @@ function positionIsProtected(start, end, ranges) {
   return false;
 }
 
+/** Normalize link destinations that contain whitespace before Marked parses them. */
+function normalizeMarkdownLinkDestinations(markdown) {
+  const lines = String(markdown || "").split("\n");
+  const result = [];
+  let fence = null;
+  const linkPattern = /(!?\[[^\]\n]*\]\()([^\)\n]*)(\))/g;
+
+  for (const line of lines) {
+    const fenceMatch = line.match(/^\s*(```+|~~~+)/);
+    if (fenceMatch) {
+      const marker = fenceMatch[1].charAt(0);
+      fence = fence === null ? marker : (fence === marker ? null : fence);
+      result.push(line);
+      continue;
+    }
+    if (fence !== null || /^\s{4}/.test(line)) {
+      result.push(line);
+      continue;
+    }
+
+    const codeRanges = [];
+    for (const match of line.matchAll(/`+[^`\n]*`+/g)) {
+      codeRanges.push({ start: match.index, end: match.index + match[0].length });
+    }
+    result.push(line.replace(linkPattern, (match, before, body, after, offset) => {
+      if (positionIsProtected(offset, offset + match.length, codeRanges)) return match;
+      const trimmed = body.trim();
+      if (!trimmed || trimmed.startsWith("<") || !/\s/.test(trimmed)) return match;
+
+      const titleMatch = trimmed.match(/^(.+?)(\s+(?:"[^"\n]*"|'[^'\n]*'|\([^\)\n]*\)))$/);
+      const destination = titleMatch ? titleMatch[1] : trimmed;
+      const title = titleMatch ? titleMatch[2] : "";
+      return `${before}${encodeURI(destination)}${title}${after}`;
+    }));
+  }
+  return result.join("\n");
+}
+
 /** Prefix every unprotected CamelCase WikiWord with the literal escape marker. */
 function protectCamelCaseWikiWords(markdown) {
   const wikiWordPattern = /(?<![!\p{L}\p{N}._-])((?:\p{Lu}\p{Ll}+){2,})(?![\p{L}\p{N}_-])/gu;
@@ -363,6 +401,7 @@ export {
   expandNamespacedMarkdownLinks,
   expandTodoMarkup,
   expandWikiMentions,
+  normalizeMarkdownLinkDestinations,
   protectCamelCaseWikiWords,
   extractCmapEmbeds,
   restoreCmapEmbeds