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[Octave-bug-tracker] [bug #41957] print -P fails, and print when no figu

From: Rik
Subject: [Octave-bug-tracker] [bug #41957] print -P fails, and print when no figure exists crashes
Date: Thu, 27 Mar 2014 15:12:43 +0000
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:28.0) Gecko/20100101 Firefox/28.0

Follow-up Comment #1, bug #41957 (project octave):

Could you run the following test code in Matlab?

ishandle ([])

Does this return an empty matrix, or 0 because an empty matrix is definitely
not a handle?

In part of the patch you have

     if (! any (strcmp (arg_st.devopt, gs_device_list))
-      || ! any (strcmp (arg_st.devopt, {"pswrite", "ps2write"})))
+      ||  any (strcmp (arg_st.devopt, {"pswrite", "ps2write"}))
+       )
       ## Only postscript and supported ghostscript devices
       error ("print: invalid format for spooling to a printer")

The intent was to check for formats which couldn't be spooled to the printer. 
On UNIX systems postscript usually can be sent to the printer which is why
there was a check for the format NOT being pswrite.  By dropping the '!' we
will now error out for what seems a legitimate case.


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