Bug 8535

Summary:	Y2K bug in LaTeX class file
Product:	[Retired] Red Hat Linux	Reporter:	redhat
Component:	tetex	Assignee:	Tim Waugh <twaugh>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	high	Docs Contact:
Priority:	medium
Version:	5.2
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2000-01-17 15:29:21 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description redhat 2000-01-17 13:38:14 UTC

The class file /usr/share/texmf/tex/latex/dinbrief/dinbrief.cls
(tetex-latex-0.9-6.i386.rpm) calculates a date in the form DD.MM.YY.
Since 1.1.2000 the YY is shown as 100, because it subtracts 1900
from the current year instead dividing it modulo 100.

Comment 1 Jeff Johnson 2000-01-17 15:29:59 UTC

This problem is still preset in tetex-1.0.6:

\def\today{\number\day.\space\ifcase\month\or
  Januar\or Februar\or M\"arz\or April\or Mai\or Juni\or
  Juli\or August\or September\or Oktober\or November\or Dezember\fi
  \space\number\year}
\newcount\yearcnt
\yearcnt=\year
\advance\yearcnt-\number1900
\def\@znumber#1{\ifnum\number#1<10 0\number#1\else\number#1\fi}
\def\ntoday{\@znumber{\number\day}.%
            \@znumber{\number\month}.%
            \@znumber{\the\yearcnt}}
\def\@ntoday{\ntoday}

Comment 2 Trond Eivind Glomsrxd 2000-12-01 22:56:23 UTC

It is fixed in the one shipping with Red Hat Linux 7 (possibly earlier, but at
least that one) - no mention of 1900 at all.