[ESS] ESS Fontify Problem?

Martin Maechler maechler at stat.math.ethz.ch
Wed Jan 9 10:44:37 CET 2008

>>>>> "SpG" == Spencer Graves <spencer.graves at pdf.com>
>>>>>     on Tue, 08 Jan 2008 13:31:02 -0800 writes:

    SpG> How can one break out of an apparently infinite "Fontifying" loop? 
    SpG> Somone suggested doing "C-c C-c C-g to break the loop (might need to do 
    SpG> it a couple of times). Once you get the prompt back, try M-x 
    SpG> font-mode-lock to turn off fontifying and then M-x font-mode-lock to 
    SpG> turn it back on."  This has worked sometimes but not others.

    SpG> I'm trying to use 'debug' with a function with an argument that 
    SpG> references a data.frame with 2245 rows and 315 columns.  When 'debug' 
    SpG> traps that function, it wants to print the entire 2245 x 315 data.frame 
    SpG> before it prints the function.  Reducing options('max.print') has helped 
    SpG> with this "fontifying" problem in other contexts.  Here, I got the same 
    SpG> result with options(max.print=0) as with larger numbers.

    SpG> Attached are a couple of "print screen" images illustrating the 
    SpG> problem.  I think I'm using "ESS version 5.2.11" with "C:\Program
    SpG> Files\XEmacs\XEmacs-21.4.19\i586-pc-win32\xemacs.exe", but I don't even 
    SpG> know how to accurately identify which version I'm using of either ESS or 
    SpG> XEmacs.

    SpG> Do you have any suggestions?

Yes, though it may not be the one you like:

Please use the current ESS and not a very outdated one as it
comes with your Xemacs.

Further, if possible, on Windows, at least for this
bug reporting/diagnosing exercise
If you'd use Vincent Goulet's  (*) [GNU emacs + ESS] combo setup,
quite a few of us would be able to reproduce what you did.
[and a Micro-$oft Word attachment of a screen shot is not too
 helpful for that, at least not for me; if possible please
 append your *R* buffer as text or even better just the "minimal &
 reproducible" R commands]

(*) see  http://ESS.r-project.org/

    BTW: I've edited the ESS web pages a bit,
    also with a new 	http://ESS.r-project.org/downloads/

  and... if there are any volunteers to make these few pages into
  nice / cool pages .. that can still be handled with a few
  (PHP,HTML,CSS) files (and not with a full WCMS)
   we'd be very grateful.



    SpG> Thanks,
    SpG> Spencer Graves

    SpG> #####################################
    SpG> R version 2.6.1 (2007-11-26)
    SpG> i386-pc-mingw32

    SpG> locale:
    SpG> LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
    SpG> States.1252;LC_MONETARY=English_United
    SpG> States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252

    SpG> attached base packages:
    SpG> [1] stats     graphics  grDevices utils     datasets  methods   base

    SpG> loaded via a namespace (and not attached):
    SpG> [1] stepAICc_1.2-8

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