Add hint_unicode_character rule (#21593)

GitOrigin-RevId: ba2c6f49c3b20c6fb4708dfd80000a216c3c4a77

services/web/frontend/js/ide/human-readable-logs/HumanReadableLogsRules.tsx

@@ -285,6 +285,11 @@ const errors: Rule[] = [
     regexToMatch: /^LaTeX error: Cannot be used in preamble/,
     package: 'LaTeX',
   },
+  {
+    ruleId: 'hint_unicode_character',
+    regexToMatch: /^LaTeX Error: Unicode character /,
+    package: 'LaTeX',
+  },
   {
     ruleId: 'hint_cannot_define_unicode_char_value_lt_00a0',
     regexToMatch: