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LaTeX Patches Guide
23 September 1994
This document describes the procedure by which changes to the LaTeX
distribution in between the six-monthly releases will be made.
Such changes will be made only when major problems are discovered and
fixed. Other changes will only be made twice a year, in June and
December.
Changes which affect the file latex.ltx, and hence the format, are
called `patches to the LaTeX kernel': this concept is described in
detail below. The changes of this type are described briefly at the
end of this file, in chronological order.
All changes to all files should be listed, in reverse-time order, in
the files called changes.txt: there is one in each distribution
subdirectory.
Patches to the LaTeX kernel
===========================
=====================================================================
SPECIAL NOTE: if you already have a release version of LaTeX that did
not include the file ltpatch.ltx.
For this first patch only, you also need to get the new version of the
file latex.ltx (or ltfinal.dtx).
This is needed because the patch file mechanism was not present in
the earlier release. For any future kernel patches, you will only
need to get the latest version of ltpatch.ltx.
=====================================================================
New releases of LaTeX will occur at six-monthly intervals, in June and
December. Between these releases it may be necessary to make small
updates to fix major problems.
We have made it relatively easy to install updates that affect only
the format---by placing all these changes in one file, called
ltpatch.ltx.
In order to update your LaTeX format you should put
ltpatch.ltx where it can be read by iniTeX and then run iniTeX on
latex.ltx. You do not need to unpack the latex sources again.
In this run of iniTeX, the file ltpatch.ltx (if it exists) will be
read just before the format file is `dumped'. This will correct any
bugs and it will modify the opening banner of LaTeX: for example,
from:
LaTeX2e <1994/06/01>
to:
LaTeX2e <1994/06/01> patch level 1
Other changes
=============
Note that ltpatch.ltx fixes only bugs that are present in the LaTeX
format. Problems in packages, classes and other files will be fixed
by re-issuing the appropriate files, some of which may need to be
unpacked.
Changes to the kernel in LaTeX2e <1994/06/01> patch level 1
-----------------------------------------------------------
(1994/06/10)
%%% \fbox bug (from ltboxes.dtx).
%%% Make \long and add \leavevmode.
%%% New feature (from ltboxes.dtx).
%%% Make \sbox and \mbox long.
%%% \{ \} bug (from ltoutenc.dtx).
%%% Redefine, so that \left\{ works again.
%%% New feature (from ltdirchk.dtx and lterror.dtx).
%%% Automatic determination of TeX versions between 3 and 3.14.
%%% Suggested by Bernd Raichle.
Changes to the kernel in LaTeX2e <1994/06/01> patch level 2
-----------------------------------------------------------
(1994/06/11)
%%% Allow 8bit chars again (from ltfinal.dtx).
%%% Please note that this means that such documents are not
%%% portable (unless ^^ notation is used).
%%% One can get incorrect results without error messages.
%%% This is a feature of TeX the program, not of LaTeX!
%%% \nocite{*} warned about missing citation.
%%% \_ did not work in math (when T1 encoding was used).
Changes to the kernel in LaTeX2e <1994/06/01> patch level 3
-----------------------------------------------------------
(1994/07/02)
%%% \DeclareTextSymbol produced inefficient default
%%% definitions (not wrong, but slow)
%%% Combinations like \"\i didn't work in sectioning commands
%%% \dag, \ddag, \P, \S were not always defined
%%% The \t accent could come out in wrong sizes or did
%%% even produce an error
%%% \text..{} would produce an error
%%% \text..{..\par..} would produce a funny error message
%%% \mathit and friends did not warn if used in text mode
%%% in some cases
%%% pr/642 \loop could do one iteration too much in certain
%%% situations
%%% pr/627 T1 breaks german 2.4a
%%% until german.sty and friend are updated we force
%%% reinitialisations of the \" accent
%%% pr/574 Allow \^{\i} and the like in toc entries
%%% this is not the final fix
%%% pr/610 Make color.sty work with figure* etc
%%% pr/560 Undo a change to tabular so that empty
%%% p columns to not come out in small width
%%% pr/667 Centred minipage/parbox with a `height' argument
%%% did not work until after math had been set up.
%%% Remove surplus braces from \ensuremath as it is
%%% supposed to do "nothing" if already in math mode.
%%% pr/578 A temporary patch for providing \LaTeXe in compat mode.
%%% If it still has the definition from latex209.def, it
%%% gets the original kernel definition restored.
Changes to the kernel in LaTeX2e <1994/06/01> patch level 4
-----------------------------------------------------------
(1994/09/23)
%%% pr/884 Missing % causes extra space in picture-mode \savebox.
%%% (from ltboxes.dtx)
%%% pr/872 Redefining the catcodes of [ and ] turned out to be
%%% dangerous (surprise surprise :-)
Changes to non-kernel files in LaTeX2e <1994/06/01>
--------------------------------------------------
- classes.dtx has been modified to fix a bug in fleqn.clo
which prevented a package from changing the value of
\mathindent.
- letter.dtx has been changed to insert a missing closing
brace which prevented it from functioning in twoside mode.
- varioref.dtx to work with babel
- showkeys.dtx to work with varioref and natbib.
To activate the non-kernel updates you have to retrieve the
.dtx files and unpack them with their corresponding .ins files
Changes to non-kernel files in LaTeX2e <1994/06/01>
--- Copyright 1994 the LaTeX3 project. All rights reserved ---