CTAN update: Circuit_macros5.1

[Robin Fairbairns]

Dwight Aplevich writes:

> Circuit_macros5.1.tar.gz has been copied into the incoming directory
> of ftp.tex.ac.uk.  Its expanded contents are to replace the contents
> of graphics/circuit_macros.  The copyright is almost public domain.
> 
> From the README:
> ...
>   This is a set of macros for drawing high-quality line diagrams to
>   include in TeX, LaTeX, or similar documents.  The macros were
>   originally intended for electric circuit diagrams containing
>   fundamental elements, amplifiers, transistors, and basic logic gates,
>   but several tools and examples for other types of diagrams are also
>   included.  The advantages and disadvantages of such a system are
>   similar to those of TeX itself, which is macro-based, non-wysiwyg,
>   and which uses ordinary character input.
> 
>   The macros evaluate to drawing commands in the pic "little language,"
>   which is easy to read and learn.  The programming elements in pic are
>   well suited to line drawings requiring parametric or conditional
>   components, fine tuning, significant geometric calculations or
>   repetition, or to drawings that are naturally block structured or
>   tree structured.  Arbitrary formatted text can be included.  Free
>   TeX- and LaTeX-compatible interpreters for m4 and pic are readily
>   available for Unix and PC machines.
> 
>   View or print the file examples.ps in the examples directory, or try
>   http://ece.uwaterloo.ca/~aplevich/Circuit_macros/
> 
>   A collection of examples and hints intended for his colleagues has
>   been produced by Alan Robert Clark at http://ytdp.ee.wits.ac.za/cct.html
> ...
> CHANGES:
> Version 5.1: Signal-flow graph (directed graph) macros.  More consistent
>   rot3Dz.  Work-around for a bug in some pic processors invoked by the
>   battery macro and for an arc instability invoked by the fuse macro.
>   Modified ground, dimension_, par_, label macros, b_current, diode,
>   transformer.  New macros gpar_, ujt, scr, contact, relay.  Document
>   fixes and additions.  Changes to examples for portability.
> ...

i have installed the files as requested: thanks for the upload.

Robin Fairbairns

For the CTAN team