<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">Hi<div><br></div><div><br><div><div>Le 25 janv. 2017 à 11:13, Zdenek Wagner <<a href="mailto:zdenek.wagner@gmail.com">zdenek.wagner@gmail.com</a>> a écrit :</div><br class="Apple-interchange-newline"><blockquote type="cite"><blockquote class="gmail_quote" style="font-family: Helvetica; font-size: 16px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-style: solid; border-left-color: rgb(204, 204, 204); padding-left: 1ex;">It seems equally clear to me that the fault cannot lie in the fontspec package,<br>since it can be demonstrated with a pure XeTeX example as Jean-François<br>has shewn ... Whether the fault lies in the XeTeX engine or in the font is moot,<br>I believe.<br></blockquote><div style="font-family: Helvetica; font-size: 16px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br></div><div style="font-family: Helvetica; font-size: 16px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">It might be set in the font and XeTeX just reads it. I do not know how to look inside the font but I heard somewhere, that such mono fonts do exist.<span class="Apple-converted-space"> </span><br></div><br class="Apple-interchange-newline"></blockquote></div><br></div><div><br></div><div>I know about lmvtt, for T1 encoding which is a "variable" variant of lmodern mono font</div><div>for traditional TeX engine, but this has to be requested by specific option,</div><div><br></div><div>also Michael Sharpe's newtxtt has such an option (and I use such a "variable space" </div><div>mono font extensively in a package doc)</div><div><br></div><div>Perhaps Latin Modern Mono has it in the font, and luaotfload intercepts this so that</div><div>one does not see the phenomenon in the plain LuaTeX example,</div><div><br></div><div>Anyway, this will now break all XeLaTeX documents with verbatim parts, and </div><div>default fonts, since the LaTeX 2017/01/01 recently uploaded to CTAN.</div><div><br></div><div>Arguably most XeLaTeX users will have set-up their own choice of fonts in</div><div>the document, thus the impact may not be that big "in the wild".</div><div><br></div><div>Best,</div><div><br></div><div>Jean-François</div><div><br></div></body></html>