Upgrade markdown_math.js for 5.57.0

Author: jackycute

mode/markdown/markdown_math.js

@@ -48,6 +48,9 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
   if (modeCfg.fencedCodeBlockHighlighting === undefined)
     modeCfg.fencedCodeBlockHighlighting = true;
 
+  if (modeCfg.fencedCodeBlockDefaultMode === undefined)
+    modeCfg.fencedCodeBlockDefaultMode = 'text/plain';
+
   if (modeCfg.xml === undefined)
     modeCfg.xml = true;
 
@@ -88,13 +91,13 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
   ,   listRE = /^(?:[*\-+]|^[0-9]+([.)]))\s+/
   ,   taskListRE = /^\[(x| )\](?=\s)/i // Must follow listRE
   ,   atxHeaderRE = modeCfg.allowAtxHeaderWithoutSpace ? /^(#+)/ : /^(#+)(?: |$)/
-  ,   setextHeaderRE = /^ *(?:\={1,}|-{1,})\s*$/
+  ,   setextHeaderRE = /^ {0,3}(?:\={1,}|-{2,})\s*$/
   ,   textRE = /^[^#!\[\]*_\\<>\$` "'(~:]+/
-  ,   fencedCodeRE = /^(~~~+|```+)[ \t]*([\w+#-]*)[^\n`]*$/
+  ,   fencedCodeRE = /^(~~~+|```+)[ \t]*([\w\/+#-]*)[^\n`]*$/
   ,   linkDefRE = /^\s*\[[^\]]+?\]:.*$/ // naive link-definition
   ,   punctuation = /[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~\xA1\xA7\xAB\xB6\xB7\xBB\xBF\u037E\u0387\u055A-\u055F\u0589\u058A\u05BE\u05C0\u05C3\u05C6\u05F3\u05F4\u0609\u060A\u060C\u060D\u061B\u061E\u061F\u066A-\u066D\u06D4\u0700-\u070D\u07F7-\u07F9\u0830-\u083E\u085E\u0964\u0965\u0970\u0AF0\u0DF4\u0E4F\u0E5A\u0E5B\u0F04-\u0F12\u0F14\u0F3A-\u0F3D\u0F85\u0FD0-\u0FD4\u0FD9\u0FDA\u104A-\u104F\u10FB\u1360-\u1368\u1400\u166D\u166E\u169B\u169C\u16EB-\u16ED\u1735\u1736\u17D4-\u17D6\u17D8-\u17DA\u1800-\u180A\u1944\u1945\u1A1E\u1A1F\u1AA0-\u1AA6\u1AA8-\u1AAD\u1B5A-\u1B60\u1BFC-\u1BFF\u1C3B-\u1C3F\u1C7E\u1C7F\u1CC0-\u1CC7\u1CD3\u2010-\u2027\u2030-\u2043\u2045-\u2051\u2053-\u205E\u207D\u207E\u208D\u208E\u2308-\u230B\u2329\u232A\u2768-\u2775\u27C5\u27C6\u27E6-\u27EF\u2983-\u2998\u29D8-\u29DB\u29FC\u29FD\u2CF9-\u2CFC\u2CFE\u2CFF\u2D70\u2E00-\u2E2E\u2E30-\u2E42\u3001-\u3003\u3008-\u3011\u3014-\u301F\u3030\u303D\u30A0\u30FB\uA4FE\uA4FF\uA60D-\uA60F\uA673\uA67E\uA6F2-\uA6F7\uA874-\uA877\uA8CE\uA8CF\uA8F8-\uA8FA\uA8FC\uA92E\uA92F\uA95F\uA9C1-\uA9CD\uA9DE\uA9DF\uAA5C-\uAA5F\uAADE\uAADF\uAAF0\uAAF1\uABEB\uFD3E\uFD3F\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE61\uFE63\uFE68\uFE6A\uFE6B\uFF01-\uFF03\uFF05-\uFF0A\uFF0C-\uFF0F\uFF1A\uFF1B\uFF1F\uFF20\uFF3B-\uFF3D\uFF3F\uFF5B\uFF5D\uFF5F-\uFF65]|\uD800[\uDD00-\uDD02\uDF9F\uDFD0]|\uD801\uDD6F|\uD802[\uDC57\uDD1F\uDD3F\uDE50-\uDE58\uDE7F\uDEF0-\uDEF6\uDF39-\uDF3F\uDF99-\uDF9C]|\uD804[\uDC47-\uDC4D\uDCBB\uDCBC\uDCBE-\uDCC1\uDD40-\uDD43\uDD74\uDD75\uDDC5-\uDDC9\uDDCD\uDDDB\uDDDD-\uDDDF\uDE38-\uDE3D\uDEA9]|\uD805[\uDCC6\uDDC1-\uDDD7\uDE41-\uDE43\uDF3C-\uDF3E]|\uD809[\uDC70-\uDC74]|\uD81A[\uDE6E\uDE6F\uDEF5\uDF37-\uDF3B\uDF44]|\uD82F\uDC9F|\uD836[\uDE87-\uDE8B]/
   ,   expandedTab = "    " // CommonMark specifies tab as 4 spaces
-  ,   fencedMathRE = /^(\$\$)[ \t]*([\w+#-]*)[^\n`]*$/
+  ,   fencedMathRE = /^(\$\$)[ \t]*([\w\/+#-]*)[^\n`]*$/
 
   function switchInline(stream, state, f) {
     state.f = state.inline = f;
@@ -238,7 +241,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
       state.quote = 0;
       state.fencedEndRE = new RegExp(match[1] + "+ *$");
       // try switching mode
-      state.localMode = modeCfg.fencedCodeBlockHighlighting && getMode(match[2]);
+      state.localMode = modeCfg.fencedCodeBlockHighlighting && getMode(match[2] || modeCfg.fencedCodeBlockDefaultMode );
       if (state.localMode) state.localState = CodeMirror.startState(state.localMode);
       state.f = state.block = local;
       if (modeCfg.highlightFormatting) state.formatting = "code-block";
@@ -247,7 +250,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
     } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(fencedMathRE, true))) {
       state.fencedEndRE = new RegExp(match[1].replace(/\$/g, '\\$') + "+ *$");
       // try switching mode
-      state.localMode = modeCfg.fencedCodeBlockHighlighting && getMode(match[2]);
+      state.localMode = modeCfg.fencedCodeBlockHighlighting && getMode(match[2] || modeCfg.fencedCodeBlockDefaultMode );
       if (state.localMode) state.localState = CodeMirror.startState(state.localMode);
       state.f = state.block = local;
       state.formatting = "math";