alex [dot] kramer [at] g_m_a_i_l [dot] com

Results 3 issues of alex [dot] kramer [at] g_m_a_i_l [dot] com

Fixes conflicting pluralization in a comment with the clause: "_an_ additional pointer _references_". I assume it should be singular since that makes sense within the context of the actual code.

In the Epub download, inline equations aren't rendered/formatted. They are just raw Sphinx syntax e.g.: ``` \[\begin{split}\begin{align} f'(W_1) = -x_1(y - (W_1 x_1 + W_2 x_2 + W_3 x_3)) \\...

enhancement

Before it was returning the nil result of an invalid dictionary lookup.