[Tex/LaTex] “Different” looking question mark

fontslibertinemath-modenewtxmathsymbols

I'm in a situation where I have a concept in my document that is traditionally represented using the question mark ?.

However, for visual clarity, I would like to differentiate between the ordinary punctuation ?, and my "special" use of it as a symbol.

I have tried mathbb, mathcal, and most of the other typical math font modes, but all of them seem to render ? in an identical way (at least under the default options of the acmart class).

Is there some way that I can get a fancy ? symbol? Bold, italic, black board, calligraphy, I'm open to different options. The inverted question mark is not an option, as it already carries meaning in my particular field.

EDIT:

For reference, if I do this:

\documentclass{article}
\usepackage{amsmath}
\usepackage{amssymb}
\begin{document}
$\mathsf{?} ? \mathbf{?} \mathit{?} \mathbb{?} \mathcal{?}$
\end{document}

It renders as this: enter image description here i.e. there is no difference between the symbols.

The font used is Libertine, specifically the Libertine option of newtxmath, maybe this is part of the problem?

Best Answer

You can use the text fonts or images

enter image description here

\documentclass{article}
\usepackage{graphicx}

\begin{document}

$?\,\textbf{?}\,\textit{?}\,\textsf{?}\,\includegraphics[height=.7em]{q}$

\end{document}
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