This is the README for diagmac2, Version 2.1 (May 2009) 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 effectively no restrictions on line slopes or circle diameters. Starting in Version 2.1, some extensions have been added. Also, the User's Manual has been \TeXified (diagmac2.tex) and expanded, including several examples. The test file (diagmactest.tex) is as originally released by Reynolds (but modified to load diagmac2.sty). At Reynolds's ftp site, there is the following disclaimer: These macros are in the public domain, and have not changed in 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 complex, and I am not an expert in its use, so that there are probably errors lurking in the macros. 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. The licence for diagmac2.sty and diagmac2.tex is LPPL. Bob Tennent School of Computing Queen's University Kingston, Canada K7L 3N6 firstname.lastname@example.org
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diagmac2 – Diagram macros, using pict2e
|License||The LaTeX Project Public License|
|Maintainer||John Reynolds (inactive)|
|Contained in||TeX Live as diagmac2|
|MiKTeX as diagmac2|
graphics produced by one of the *TeX engines