o that the vignette can be compiled when <code>lpsymphony</code>, <code>Rsymphony</code> or <code>gurobi</code> are not installed.</li>
<li>Package authors now consistent with <em>prioritizr</em> package.</li>
<li>Simplify vignette workflow. Vignettes can now be compiled by using <code><a href="https://devtools.r-lib.org/reference/build_vignettes.html" class="external-link">devtools::build_vignettes()</a></code>. Earlier versions needed the vignettes to be compiled using the <em>Makefile</em> to copy files 