False Positives for "Imaginary Part"

## Version

MathCAT 0.7.5

## Issue

MathCAT seems to treat any instance of "im" as "the imaginary part of" whatever it precedes, even when it simply refers to the product of i ($\sqrt{-1}$) and m (mass), as in the following:

$$
\hat{A} = \frac{1}{\sqrt{2m}} (\hat{p} - im\omega_0 \hat{x})
$$

I believe that the LaTeX command `\Im` (which is rendered as $\Im$) is typically used to indicate "the imaginary part of," so the inference may be unnecessary.