Hi all, ifpdf.sty is not buggy but in some cases it can trigger bugs elsewhere. If you do anything more complex, it is better to switch to iftex.sty.
Zdeněk Wagner http://ttsm.icpf.cas.cz/team/wagner.shtml http://icebearsoft.euweb.cz po 6. 7. 2020 v 20:00 odesílatel David Carlisle <d.p.carli...@gmail.com> napsal: > > I get no spurious output from this document with xetex > > \input ifpdf.sty > \input eplain > > xxx > > \bye > > > However you do not have the current version of ifpdf.sty your text is showing > a 2016 date which presumably means you have an old copy somewhere on a local > input path that is masking the one you would have installed with a current > installation. > > > > The current version of ifpdf.sty as distributed with texlive2020 has the line > > \ProvidesPackage{ifpdf}[2019/10/25 v3.4 ifpdf legacy package. Use iftex > instead.] > > So will not have made the text that you show. > > Some other macro that you have loaded has apparently defined \ProvidesPackage > so that instead of sending the final argument to the log it typesets it, but > impossible to say what that is from the information posted. > > David > > > On Mon, 6 Jul 2020 at 18:31, Julian Bradfield <jcb+xe...@jcbradfield.org> > wrote: >> >> On 2020-07-06, John Was <johno...@gmail.com> wrote: >> > On acquiring a new PC I decided to install the latest TeXLive (previously I >> > was on the 2013 version). I use plain XeTeX. To my surprise, the first >> > page now has at the top the text: >> > >> > ifpdf [2016/04/04 v3.0 Provides the ifpdf switch] >> > >> > See the attached one-page PDF. >> > >> > Below I give some lines from my log file - it's the last line that is of >> > interest, viz.: >> >> No, that's not the line of interest. The lines of interest are all the >> other files you might have loaded that might cause this breakage. >> The line you see is, naturally, coming from ifpdf.sty, and to see it, >> something must have broken the \ProvidesPackage, messed with catcodes, >> or done something else to cause the break, unless the (rather old) >> ifpdf.sty itself is buggy, which seems unlikely. >> >> Please construct a minimal (non-)working example, and post the full >> log file, with links to all non-standard files loaded. >> >> Unless of course somebody jumps in to say they recognize the problem!
