Comparison of \prime and ' in the math mode

data/prime-symbol/xelatex.tex

@@ -15,13 +15,19 @@
 \setmathfont{STIX Two Math}
 \[\mathlarger{\begin{aligned}
 	f(x) & = a\prime + b\dprime + c\trprime \\
-	f\prime(x) & = x^{2} + 1
+	f(x) & = a^{\prime} + b^{\dprime} + c^{\trprime} \\
+	f(x) & = a' + b'' + c''' \\
+	f\prime(x) & = x^{2} + 1\\
+	f'(x) & = x^{2} + 1
 \end{aligned}}\]
 
 \setmathfont{Libertinus Math}
 \[\mathlarger{\begin{aligned}
 	f(x) & = a\prime + b\dprime + c\trprime \\
-	f\prime(x) & = x^{2} + 1
+	f(x) & = a^{\prime} + b^{\dprime} + c^{\trprime} \\
+	f(x) & = a' + b'' + c''' \\
+	f\prime(x) & = x^{2} + 1\\
+	f'(x) & = x^{2} + 1
 \end{aligned}}\]
 
 Prose poses problems: