e>, <code><a href="../reference/chord_is_major.html">chord_is_minor()</a></code>.</li>
<li>Added notation-frequency conversion helpers: <code><a href="../reference/pitch_freq.html">pitch_freq()</a></code>, <code><a href="../reference/pitch_freq.html">freq_pitch()</a></code> and other related functions.</li>
<li>Added several more functions for inspecting and manipulating noteworthy strings.</li>
<li>Code and documentation formatting and style overhaul based on stricter linting rules.</li>
<li>Updated docume