How to embed unicode or utf8 symbols in a tooltip

I am trying to set a tooltip that will contain the Mac command key symbol \u2318 but can not figure out how to do it.

Putting the character in a QString, setting the tooltip, or making sure the font being used has the ⌘ glyph. Which bit is the problem?

The character is QChar(0x2318). There are a few ways to easily insert it.

Code:

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#include <QApplication>
#include <QString>
#include <QLineEdit>
 
int main(int argc, char **argv)
{
    QApplication app(argc, argv);
    const QString text = QString("Test with %1 symbol").arg(QChar(0x2318));
    // Or, if you can type it then chances are this will work
    // const QString text = QString::fromUtf8("Test with ⌘ symbol");
 
    QLineEdit l;
    l.setText(text);
    l.setToolTip(text);
    l.show();
    return app.exec();
}

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That was it! Thanks!