<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 12px; font-family: 'Century Gothic', sans-serif;"><div>Hi Dr. Moore!</div><div>Thank you. Your suggestion to use</div><div> \renewcommand{\l}{\v{l}} worked. It's the preferred solution.</div><div><br></div><div><br></div><div>Before your suggestion, I had resolved the issue by commenting the offending l. 32 in the Denitions.tex file. This worked. Is this though what you indirectly refer to as a self-centred solution? Would such commenting compromise the ability of others to use this command?</div><div><br></div><div>BTW, Strangely I thought Xy-pic involved issues related to \usepackage[all]{xy} which for me works with, \usepackage{tikz-cd}. I may be forgiven for being a first time user of this forum.</div></body></html>