[NTG-pdftex] Re: Patch ShellEscape
Sun, 13 Jul 2003 19:31:10 +0200
On Sat, Jul 12, 2003 at 07:22:11PM +0200, Hans Hagen wrote:
> At 13:42 11/07/2003 +0200, Heiko Oberdiek wrote:
> >* But there is also a disadvantage of the \ifeof18 method:
> > TeX generates a error message, if \ifeof18 is not supported.
> > Unhappily TeX does not provide an exception mechanism, so this
> > error cannot be catched.
> > For "tex" and "etex" I see no way to avoid this without a new
> > primitive that can easily checked for existence. The primitive
> > can be either a command that indicates the presence of the
> > feature or returns the version number of web2c.
> > For "pdf(e)tex" this is not a problem, because here
> > \pdfversion and \pdfrevision can be asked. So packages such
> > as pdftricks, pdftex.def, ... will be happy.
> Isn't there a new version of tex coming (dek posted some fixes)? In that
> case, one can use that version number since the moment that those fixes are
> in the new distribution sync with the ifeof18 extension.
| 7.5.1 (17 February 2003)
| * New upstream sources from Knuth.
| 2003-02-16 Olaf Weber <firstname.lastname@example.org>
| * tex.web: TeX 3.141592 from Knuth: fixed \xleaders, glueset,
| weird alignments.
| * tex.ch: Update banner for TeX 3.141592.
The changes are already done. And it would be difficult to distinguish
between 3.14159 and 3.141592 at macro level. I would not want to read
the .log file for the version number in the banner.