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+<HEAD>
+<TITLE> Program Crashes and Known Bugs</TITLE>
+</HEAD>
+<BODY><P>
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+<H2><A NAME=SECTION00016900000000000000> Program Crashes and Known Bugs</A></H2>
+<P>
+<A NAME=app8><IMG ALIGN=MIDDLE SRC="http://geoff.biop.ox.ac.uk/latex2html/invis_anchor.xbm"></A>
+<P>
+We've used ALSCRIPT on Sun Workstations and Silicon Graphics for some
+time, with very large alignments and command files with thousands of
+commands. All seems to work OK, the program has not crashed on us at
+all!!
+<P>
+However, the command interpreter in ALSCRIPT is very simple and
+the program will crash if you give any command the wrong number of
+arguments (e.g. leaving out the shade value in a shade_chars command).
+<P>
+If you do make the program crash, have checked all the documentation
+and your numbers, and the program still crashes. Then send me
+the command file and block file that causes the crash and I will try
+to investigate.
+<P>
+Suggestions for improvements to the program are always welcome.
+<P>
+<HR>
+
+</BODY>
+<P><ADDRESS>
+gjb@bioch.ox.ac.uk
+</ADDRESS>
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