<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">Dear community,</p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";min-height:14px"><br></p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">honestly, I do know almost nothing about ConTeXt. My sincere apologies. The answer <a href="https://tug.org/pipermail/lualatex-dev/2018-September/001681.html">https://tug.org/pipermail/lualatex-dev/2018-September/001681.html</a> on my request <a href="https://tug.org/pipermail/lualatex-dev/2018-August/001680.html">https://tug.org/pipermail/lualatex-dev/2018-August/001680.html</a> implies that  this mailing list might be the right spot for my initial problem. </p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";min-height:14px"><br></p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">Here is the initial problem: The following MWE renders correctly in XeLaTeX but not in LuaLaTeX and illustrates the problem.</p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";min-height:14px"><br></p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">\documentclass{memoir}</p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">\usepackage{fontspec}</p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">\newfontfamily{\burmeseFamily}{NotoSerifMyanmar-Regular.ttf}[Scale=MatchLowercase]</p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">\begin{document}</p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">Test {\burmeseFamily{}<span style="font-stretch:normal;line-height:normal;font-family:"Myanmar Sangam MN"">တော်ကြီး</span>} foo.</p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">\end{document}</p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";min-height:14px"><br></p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">Thank you very much for taking your time. </p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue";min-height:14px"><br></p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">Yours with many thanks, </p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">















</p><p style="margin:0px;font-stretch:normal;font-size:12px;line-height:normal;font-family:"Helvetica Neue"">Campanignis.</p></div></div></div></div></div>