1.1 - Portability fixes: Do not assume a specific location for perl
      (use "env" in the shebang line) and do not rely on the bash style
      "&>" redirection.

1.0 - Image alignment workaround (most browsers interpret
      "ALIGN=MIDDLE" somewhat strangely, so it has been changed
      to "STYLE=vertical-align: -xx")
    - Added cache file, so that gladtex doesn't have to regenerate
      images for equations that haven't changed.
    - Added ENV option (as in <EQ ENV=align*>) to support environments
      other than "displaymath".
    - Bug fixes.
 
0.3 - Added BoundingBox workaround (dvips sometimes outputs wrong
      BoundingBox, for instance when using \mathbb{})
    - Moved the whole "LaTeX eqn to image" conversion into the C code,
      turning  the C program (renamed from pngmodify to eqn2img) into
      a standalone utility (e.g. echo '\sqrt{2}' | eqn2img -o
      eqn.png).
    - Added colour options (-c -b and -t).
    - Fixed bug causing segfault when adding space _above_ an image.
    - Fixed image reusing bug (in 0.2 image reuse didn't work across
      separate files when processing files outside startup cwd).
    - And some other minor bugs and cosmetic changes.
    - Makefile added to distribution

0.2 - First official release, completely rewritten code.

0.1 - Used only internally at the Dept. of Mathematics at the Univ. of Oslo
      July-August 1999 (for the project "Matteknekker'n") under the name
      htmleqn.