Did you look at the printout I linked up? I would like to know if the disappearing symbols are due to something wrong in the printer, or pdflatex, or the default font?
Reminder: Default: http://pj.freefaculty.org/scraps/functions/functions-default.jpg Lmodern: http://pj.freefaculty.org/scraps/functions/functions-lmodern.jpg On Wed, Oct 26, 2016 at 11:04 AM, Paul Johnson <pauljoh...@gmail.com> wrote: > I owe you $150 now > > I don't have the computer on which the problem arose. I was using LyX > in a secured facility where I did not have access to my > account/settings, that's how I noticed the problem. > > On a new laptop with Ubuntu 16.10, I've done some testing. Jean-Marc's > diagnosis was correct: problem is in printing a PDF file, rather than > viewing it. I can "fix" by changing to Latin Modern fonts, but > perhaps this means there is a bug in PDF or pdflatex or the printer > driver rather than LyX. > > I took snapshots of the output: > > Default: http://pj.freefaculty.org/scraps/functions/functions-default.jpg > > Lmodern: http://pj.freefaculty.org/scraps/functions/functions-lmodern.jpg > > The dash symbol is invisible when using Default font, but not Lmodern. > I have seen same/similar with the "~" symbol disappearing from printed > output. > > The LyX file is in same directory > > http://http://pj.freefaculty.org/scraps/functions > > pj > > > On Wed, Oct 26, 2016 at 9:18 AM, Guenter Milde <mi...@users.sf.net> wrote: >> On 2016-10-22, Paul Johnson wrote: >> >> Dear Paul, >> >>> I usually get great results. Except when I am in a hurry and forget to >>> change default fonts. >> >> Good news: we are working on a fix to the "default default font" problem. >> See http://www.lyx.org/trac/ticket/9741 . >> >>> In particular, I've been stung by the combination of >>> the listings class and default typewriter font. Last week, I threw in a >>> lot of R code with "<-" printed to pdf as "< ". There were invisible >>> dashes. I did not notice and printed handouts for a group. Other symbols >>> have gone missing, sometimes ~ in verbatim class is invisible. >> >> I could not reproduce this. A *minimal* example may help. Also, are the >> dashes/tildes just invisible or missing? (What happens with drag-and-drop >> from the PDF? What happens if you zoom in in the PDF viewer?) >> >>> It is easy to fix by setting typewriter to Latin modern or other font, but >>> in an emergency, I always forget. >> >> First suggestion: put your favourite font settings in the standard >> template (and all special templates as well)! >> (There is a "templates" buttonl in the save-as dialogue. This brings you to >> the templates directory. Templates are normal LyX files in a special >> directory. The "special feature" is that when opening via New from Template, >> the filename is cleared.) >> >> >>> You would make my life more fun if you would make the default something >>> not-yet-known to give bad results. I'm not talking about fuzzy font edges. >>> Invisible characters without warning are super bad. Awful. >> >> However, we are stuck between a rock and a hard place: >> >> * There must be a setting where LyX does not interfere with the font and >> font encoding selection by LaTeX. >> (For fonts, this setting is called "Default", for the font encoding it is >> currently called "None".) >> >> * With these default settings, hyphenation is wrong in most languages. >> >> Many languages (Afrikaans, French, German, Irish, Latin, Norwegian, >> Spanish, Slovak, Swedish, Turkish, Welsh, ...) are fixed by setting the >> font encoding to T1. Therefore LyX has this as "default default". >> >> * When neither the document class nor the document preamble (or in our case >> LyX) select a custom font, LaTeX falls back to Computer Modern (with font >> encoding OT1) or the bitmap EC substitute (with font encoding T1). >> >> This means for non English documents the choice is between bad fonts or bad >> hyphenation and bad support for accented characters (no drag-and-drop from >> the PDF). >> >> Currently, the "default default" font encoding can be customized under >> Tools>Preferences>Output>LaTeX but the plan is to replace this with an >> "automatic" setting for the best compromise. >> >>> So I offer $100 US if you will change the default font to Latin modern or >>> any other one. I know that's not much, but I am sincere. >> >> What would you prefer as "automatic" choice in case of conflict (language >> calling for a font encoding not supported by the font)? >> >>> I note your FAQ already admits that default LyX fonts make bad PDF. I will >>> leave to others to discuss that. But the default typewriter font has to go. >> >> Lets have a separate look at the typewriter font. (BTW, the txtt >> typewriter font is a recommended choice - support for bold, etc. good >> legibility, ... It even got good notes from typophiles not impressed by TeX >> and CM.) >> >> Günter >> > > > > -- > Paul E. Johnson http://pj.freefaculty.org > Director, Center for Research Methods and Data Analysis http://crmda.ku.edu > > I only use this account for email list memberships. To write directly, > address me at pauljohn at ku.edu. -- Paul E. Johnson http://pj.freefaculty.org Director, Center for Research Methods and Data Analysis http://crmda.ku.edu To write to me directly, please address me at pauljohn at ku.edu.
