Merge pull request #512 from mathjax/texclass-issues

Fix problems with texClass
mathjax · Jun 8, 2020 · 8731785 · 8731785
2 parents 1ffcbfe + 6c266dd
commit 8731785
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diff --git a/ts/core/MmlTree/MmlNodes/mo.ts b/ts/core/MmlTree/MmlNodes/mo.ts
@@ -218,7 +218,6 @@ export class MmlMo extends AbstractMmlTokenNode {
     let {form, fence} = this.attributes.getList('form', 'fence') as {form: string, fence: string};
     if (this.getProperty('texClass') === undefined &&
         (this.attributes.isSet('lspace') || this.attributes.isSet('rspace'))) {
-      this.texClass = TEXCLASS.NONE;
       return null;
     }
     if (fence && this.texClass === TEXCLASS.REL) {

diff --git a/ts/core/MmlTree/MmlNodes/mrow.ts b/ts/core/MmlTree/MmlNodes/mrow.ts
@@ -154,7 +154,7 @@ export class MmlMrow extends AbstractMmlNode {
    */
   public setTeXclass(prev: MmlNode) {
     if ((this.getProperty('open') != null || this.getProperty('close') != null) &&
-        (!prev || prev.getProperty('fnOp') != null)) {
+        (!prev || prev.getProperty('fnOP') != null)) {
       //
       // <mrow> came from \left...\right
       //   so treat as subexpression (TeX class INNER).