-The \code{MPX_SHRINK} macro reduces the limit $\vl$ of a multiprecision
-integer array so that either $v = \vl$ or $\vl[-1] \ne 0$. The $\vl$
-argument must be an lvalue, since the macro writes the result back when it
+The \code{MPX_SHRINK} macro reduces the limit~$\vl$ of a multiprecision
+integer array so that either $v = \vl$ or~$\vl[-1] \ne 0$. The argument~$\vl$ must be an lvalue, since the macro writes the result back when it