From 21a58c3e94951499ae813b97eaecfe0fc82ebd68 Mon Sep 17 00:00:00 2001 From: Karl Berry Date: Thu, 23 Apr 2009 23:30:47 +0000 Subject: diagmac2 README update git-svn-id: svn://tug.org/texlive/trunk@12810 c570f23f-e606-0410-a88d-b1316a301751 --- .../texmf-dist/doc/latex/diagmac2/README.diagmac2 | 40 ++++++++++++---------- 1 file changed, 21 insertions(+), 19 deletions(-) (limited to 'Master/texmf-dist') diff --git a/Master/texmf-dist/doc/latex/diagmac2/README.diagmac2 b/Master/texmf-dist/doc/latex/diagmac2/README.diagmac2 index 0c40b231acd..c884f1df1fa 100644 --- a/Master/texmf-dist/doc/latex/diagmac2/README.diagmac2 +++ b/Master/texmf-dist/doc/latex/diagmac2/README.diagmac2 @@ -1,21 +1,20 @@ -diagmac2.sty is a small modification of the diagmac macros written -by John Reynolds (http://www.cs.cmu.edu/~jcr/) in 1987 and available -from his ftp site (ftp://ftp.cs.cmu.edu/user/jcr) since 2002. The only -modifications to the original package is that restrictions on line -slopes have been removed, on the assumption that the pict2e.sty package -(http://www.ctan.org/get/macros/latex/contrib/pict2e.zip) is being -used. The User's Manual (renamed here diagmac.txt) and the test file -(diagmactest.tex) are as originally released by Reynolds, except for the -replacement of - -\input diagmac - -by - -\input{diagmac2.sty} - -in the latter. The limitations on line slopes described in the third -paragraph of the User's Manual can be ignored with diagmac2. +John Reynolds's diagram macros (available from +http://www.cs.cmu.edu/~jcr/ and at CTAN in macros/latex/contrib/misc) +have been in use since 1987, particularly for commutative diagrams. +Although originally written for use with latex209, they do work with +more recent formats such as latex2e and pdflatex, but the diagmac macros +are based on the original picture environment in latex and inherit its +limitations on line slopes and circle diameters. + +diagmac2.sty is a modification of the macros to allow use of the pict2e +package (available at CTAN in macros/latex/contrib) so that there are no +restrictions on line slopes or circle diameters. + +The User's Manual (renamed here diagmac.txt) and the test file +(diagmactest.tex) are as originally released by Reynolds. The +limitations described in the third paragraph of the User's Manual can be +ignored when diagmac2 is used. The diagmac2Example illustrates the use +of line slopes that are not feasible with the original package. At Reynolds's ftp site, there is the following disclaimer: @@ -23,7 +22,7 @@ At Reynolds's ftp site, there is the following disclaimer: many years. Acknowledgement of their usage is not necessary. However, neither I nor CMU accept any responsibility for the consequences of errors in these macros or their documentation. This is more than the - usual disclaimer; TEX is a beastly language for programming anything + usual disclaimer; TeX is a beastly language for programming anything complex, and I am not an expert in its use, so that there are probably errors lurking in the macros. @@ -31,6 +30,9 @@ In fact, after more than 20 years of intensive use by dozens of enthusiastic users, it seems that not a single error has been discovered. +I am interpreting Reynolds's statements as putting diagmac into the +public domain. The licence for diagmac2.sty is LPPL. + Bob Tennent School of Computing Queen's University -- cgit v1.2.3