[NTG-pdftex] \pdffontobjnum assertion failed

Karl Berry karl at freefriends.org
Wed Jan 24 00:31:14 CET 2018

In case anyone here has a chance to look ...

Date: Tue, 23 Jan 2018 15:52:19 +0100
From: Enrico Gregorio <Enrico.Gregorio at univr.it>
To: TeXLive <tex-live at tug.org>
Subject: [tex-live] Bug in pdftex. Suggestions on who to report?

The following example, compiled with pdftex,

\message{The font number is \tenitnumber}



fails with

This is pdfTeX, Version 3.14159265-2.6-1.40.18 (TeX Live 2017) (preloaded format=pdftex)

 restricted \write18 enabled.
entering extended mode

ap} The font number is 1 [1]Assertion failed: (fo->last_char >= fo->first_char), function create_fontdictionary, file ../../../texk/web2c/pdftexdir/writefont.c, line 607.
 )Abort trap: 6

The similar 

\edef\first{\pdffeedback fontobjnum\tenit}



doesnâ€™t fail on LuaTeX.

Tested both on Mac OS X and Windows (Joseph Wright tested it). [...]

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