MDL-76688 filter_text: prevent LaTeX3 syntax

2023-05-08 10:13:13 +02:00
parent 2fa4da9aa4
commit dda5919426
1 changed files with 2 additions and 1 deletions
@@ -70,7 +70,8 @@ function filter_tex_sanitize_formula($texexp) {
        '\lowercase','\relax','\aftergroup',
        '\afterassignment','\expandafter','\noexpand','\special',
        '\let', '\futurelet','\else','\fi','\chardef','\makeatletter','\afterground',
-        '\noexpand','\line','\mathcode','\item','\section','\mbox','\declarerobustcommand'
+        '\noexpand','\line','\mathcode','\item','\section','\mbox','\declarerobustcommand',
+        '\ExplSyntaxOn',
    ];

    $allowlist = ['inputenc'];