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+AI Font Distribution
+Copyright 1999 Bernard Collins <bernard.collins@jhuapl.edu>
+
+Last modified 17 October 2001.
+
+This program can redistributed and/or modified under the terms of the
+LaTeX Project Public License, either version 1.2 of this License or
+(at your option) any later version.
+
+The latest version of this license is in
+   http://www.latex-project.org/lppl.txt
+and version 1.2 or later is part of all distributions of LaTeX version
+1999/12/01 or later.
+
+INTRODUCTION
+
+The purpose of the AI font distribution is to improve the final
+conversion to Postscript and PDF formats of TeX documents which use
+the standard Computer Modern and AMS fonts. It should allow most
+modern TeX postprocessors, including dvips, dvipdfm, and pdftex (not
+exactly a postprocessor), to generate PS and PDF which avoids bugs in
+some document readers on some platforms and which can be imported
+easily into third-party software, such as Adobe Illustrator.
+
+INSTALLATION AND USE
+
+The following instructions are intended for teTeX based systems. You
+should not have too much trouble adapting them to other distributions.
+All files should unpack into appropriate sub-directories according to
+the TeX directory standard used by teTeX, et al. The top-level
+directory is named texmf. You may safely unpack into your main texmf
+tree, or into your $HOME/texmf. Copy the bash scripts from
+texmf/ai/bin to a directory in your path. Run texhash, and you are
+ready to go! The three scripts aidvips, aipdftex, and aipdflatex are
+set up to allow easy access to the fonts. Aidvips remaps fonts using
+one of the following command-line options:
+
+-Pai    Remap low characters, but do not embed any fonts
+-Paiz   (default) Remap low characters, embedding re-encoded
+        BSR/Y&Y/AMS fonts
+
+SOME DETAILS
+
+There is one .vf file for each of the BSR/Y&Y/AMS Computer Modern and
+AMS publicly released Type 1 fonts. The corresponding .tfm files are
+not included, as the standard CM/AMS .tfm files should be used. This
+ensures that TeX processing will be unaffected by these fonts, since
+TeX never uses .vf files. Each virtual font maps all characters in a
+standard .tfm file to another special .tfm file, included in the
+distribuiton. Each standard metric file has a corresponding remapped
+file which is named by prepending "ai" to the standard name. For
+example, each character in cmr10.tfm is mapped, through cmr10.vf, to a
+character in aicmr10.tfm. The content of aicmr10.tfm is identical to
+cmr10.tfm, except that characters in the "control-character" range,
+0-32 and 127, have been remapped to higher postions in the range
+161-196. Ligature and kerning information is updated to reflect the
+change. The BSR/Y&Y/AMS Type 1 fonts doubly encode these characters in
+the higher positions for just this purpose. This avoids problems with
+some software when interpretting the final PS or PDF file.
+
+Adobe Illustrator can directly interpret postscript output from dvips
+using Type 1 Computer Modern fonts that have been remapped with the ai
+virtual fonts. This is safer than using the "-G" command line or "G"
+configuration file option in dvips because it allows any of the 128
+standard BSR/Y&Y/AMS fonts to be intermixed with ordinary text Type 1
+fonts such as Times and Helvetica. If you save imported dvips
+postsript in Illustrator .ai or .eps format, AI might have a problem
+reopening the file, giving an error about invalid font remapping. But
+if you save the file in .pdf format, AI can re-open it without a
+problem. At least this is true for Illustrator 7, which is the latest
+version I have.
+
+The package includes a couple of perl scripts in texmf/doc/fonts/ai/
+that were used to generate the virtual fonts. It should be possible to
+use these scripts to process other similar doubly-encoded fonts which
+may include the BaKoMa fonts or Taco Hoekwater's fonts.
+
+CHANGES
+
+Version 1.2 adds bsr.map and modifies the shell scripts in order to
+make the ai virtual fonts work easily with the latest TeX Live
+distribution (July 2001).