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1995-06-16
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===================================================
Zed
A FONT FOR THE Z SPECIFICATION LANGUAGE
Release Notes, version 1.0.4
===================================================
DESCRIPTION
'Zed' is a font for the Z specification language that can be used on Apple
Macintoshes and under Windows. This release includes a PostScript Type 1
font, compatible with Adobe Type Manager, a TrueType font and, for the
Macintosh only, bitmapped fonts in 10, 12 and 24 point sizes.
CHANGES FROM EARLIER VERSIONS
Version 1.0.4
The main changes from Version 1.0.1 are
+ better schema boxes, both on screen and on paper
+ improved bitmap characters
+ 14pt and 18pt bitmaps included
+ AFM file included (for those who need such things)
+ New character, 'there does not exist...'
+ Larger relational composition (semi-colon) character
Version 1.0.1
This version replaced the font 'Z'. Substantial changes were made, and the
two fonts are not key compatible, hence the change of name. These changes
are described below. To preserve existing documents, do not discard the
old 'Z' font.
+ Zed supports the Z Base Standard, Version 1.0. It includes all
characters in the standard and those in the Spivey book (the old
Z font was based on Hayes' book). Other characters have also been
added, for example many different types of semantic brackets.
+ Zed includes characters for drawing schema borders (aside: these
look much better on paper than on screen).
+ Zed is no longer a composite of the Symbol font: users will have to
use Symbol explicitly to get, say, greek letters. This change has
several advantages:
- More characters are available.
- Characters are no longer hidden in obscure places requiring
multiple keystrokes.
- Wherever possible, similar characters have been placed
adjacently (at least on the Macintosh).
- Some of the more common characters have been placed in more
memorable positions, e.g. "for all" is at A, "there exists" is
at E, ...
+ Zed includes Type 1 and Truetype fonts for use with Adobe Type
Manager on the Macintosh or under Windows (Z was a Type 3 font).
+ Zed uses a 'blackboard' font for operators like the powerset symbol P,
whereas Z used a serif P. Ditto for Z, F, N, R and Q. The reason for
this change is conformance with general practice rather than aesthetics.
INSTALLATION INSTRUCTIONS FOR MACINTOSH
This release includes the following files
Zed a Type 1 PostScript font
Zed.bmap a suitcase of bitmap fonts (10, 12, 14, 18 and 24 points)
Zed.tt a suitcase containing a TrueType font and the bitmaps above.
Zed.afm an AFM file (which you probably do not need)
You must install
either the Zed and Zed.bmap files
or the Zed.tt file
included with this release. If you install the TrueType font, it is
recommended that you also install the bitmaps (this is the default) to
get reasonable screen bitmaps.
However, the PostScript version is of a far superior quality to the
TrueType font.
1. Install the "Zed.bmap" or "Zed.tt" file into your "System" file (in
the
"System Folder").
If you are using System 7, drag the file into the "System Folder" and
follow the instructions.
If you are using System 6, use the "Font/DA Mover" utility to install
the bitmap fonts in "Zed.bmap" into the "System" file.
2. Put the "Zed" file into
(a) the "Fonts" folder in the "System Folder" (System 7.1), or
(b) the "Extensions" folder in the "System Folder" (System 7), or
(c) the "System Folder" (System 6).
Simply dragging "Zed" into the "System Folder" and following any
instructions should do the trick for all these systems.
LINE SPACING PROBLEMS
Users of word processing applications may need to take care to get line
spacing right, especially at small sizes in schema boxes. Some word
processors (e.g. Microsoft Word) set the lines spacing (leading) to a fixed
amount, say 12 points. If you are working at a smaller size, say 10 pt, you
may need to change the leading from 'Automatic' to 'Exactly 10pt'. Other
applications (e.g. Aldus PageMaker) can use a proportional leading system
(e.g. the leading is 120% of the type size) and so do not suffer from
these problems.
The second problem is that the space above the middle line in a schema box
will, in all cases, be too large since the line is made up of underscore
characters. The solution once again is to adjust the leading. You may find
6pt leading for this line acceptable if the rest of the schema uses 12pt type.
LICENSE AGREEMENT
This font is free but not in the public domain and the copyright remains
with the author, Richard Jones. However you may copy and distribute the
font provided that you include a copy of this license agreement.
(C) Richard Jones, 1995
Richard Jones
==============================================================================
Computing Laboratory email: R.E.Jones@ukc.ac.uk
University of Kent at Canterbury Telephone: 01227 827943
Canterbury, CT2 7NF, U.K. FAX: 01227 762811
==============================================================================