Upgrade markdown_math.js for 5.61.0

Author: jackycute

mode/markdown/markdown_math.js

@@ -225,7 +225,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
 
       // Add this list item's content's indentation to the stack
       state.listStack.push(state.indentation);
-      // Reset inline styles which shouldn't propagate aross list items
+      // Reset inline styles which shouldn't propagate across list items
       state.em = false;
       state.strong = false;
       state.code = false;
@@ -654,7 +654,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
           return getType(state);
         }
       } else if (ch === ' ') {
-        if (stream.match(/^~~/, true)) { // Probably surrounded by space
+        if (stream.match('~~', true)) { // Probably surrounded by space
           if (stream.peek() === ' ') { // Surrounded by spaces, ignore
             return getType(state);
           } else { // Not surrounded by spaces, back up pointer
@@ -753,7 +753,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
   }
 
   function footnoteLinkInside(stream, state) {
-    if (stream.match(/^\]:/, true)) {
+    if (stream.match(']:', true)) {
       state.f = state.inline = footnoteUrl;
       if (modeCfg.highlightFormatting) state.formatting = "link";
       var returnType = getType(state);
@@ -777,7 +777,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
     if (stream.peek() === undefined) { // End of line, set flag to check next line
       state.linkTitle = true;
     } else { // More content on line, check if link title
-      stream.match(/^(?:\s+(?:"(?:[^"\\]|\\\\|\\.)+"|'(?:[^'\\]|\\\\|\\.)+'|\((?:[^)\\]|\\\\|\\.)+\)))?/, true);
+      stream.match(/^(?:\s+(?:"(?:[^"\\]|\\.)+"|'(?:[^'\\]|\\.)+'|\((?:[^)\\]|\\.)+\)))?/, true);
     }
     state.f = state.inline = inlineNormal;
     return tokenTypes.linkHref + " url";