<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">You might find it more informative to run under plain tex (and step through each \show… by hitting return)<div><br></div><div><div>\showthe\font</div><div>\show\tenrm</div><div>\font\fontname=cmr10.tfm % cmr10 also works</div><div>\showthe\font</div><div>\show\fontname</div><div>\fontname X</div><div>\showthe\font</div><div>\bye</div><div><br></div><div>The important part of the output is</div></div><div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">> \tenrm .</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; "><recently read> \font </div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px Monaco; min-height: 19.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">l.1 \showthe\font</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">% Initial value of \font is \tenrm</div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px Monaco; min-height: 19.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">? </div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">> \tenrm=select font cmr10.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">l.2 \show\tenrm</div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px Monaco; min-height: 19.0px">% and \tenrm expands to cmr10, the default roman font <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">? </div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">> \fontname .</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; "><recently read> \font </div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px Monaco; min-height: 19.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">l.4 \showthe\font</div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px Monaco; min-height: 19.0px">% value of \font after line 3 <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">? </div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">> \fontname=select font cmr10.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">l.5 \show\fontname</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; min-height: 19px; ">% value of \fontname <br class="webkit-block-placeholder"></div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px Monaco; min-height: 19.0px">? </p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">> \fontname .</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; "><recently read> \font </div><p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px Monaco; min-height: 19.0px"> <br class="webkit-block-placeholder"></p><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 14px/normal Monaco; ">l.7 \showthe\font</div></div><div>% Doesn't change value of \font after \fontname X</div><div><br></div><div>The tracing commands are not always the most reliable indicators, in my experience.<br></div><div><br></div><div>Michael</div></body></html>