[GRASS5] [bug #3117] (grass) r.out.pov fails when called out of d.m

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this bug's URL: http://intevation.de/rt/webrt?serial_num=3117
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Subject: r.out.pov fails when called out of d.m

Platform: GNU/Linux/i386
grass obtained from: CVS
grass binary for platform: Compiled from Sources
GRASS Version: GRASS 6.1.cvs (2005)

r.out.pov map=alt_surf4 tga=/gd/test.tga hftype=1 causes the attached error 
message.  
 
When called from the command line, the file becomes written. 
 
 
too many nested evaluations (infinite loop?) 
    (procedure "GlobalVar::exists" line 1) 
    invoked from within 
"GlobalVar::exists $_widget($path,var)" 
    (procedure "ProgressBar::_modify" line 4) 
    invoked from within 
"ProgressBar::_modify .dialog0.progress" 
    ("eval" body line 1) 
    invoked from within 
"eval ProgressBar::$cmd .dialog0.progress $args" 
    (procedure ".dialog0.progress" line 1) 
    invoked from within 
"$opt($dlg,progress) _modify" 
    (procedure "progress" line 7) 
    invoked from within 
"progress $dlg $val" 
    invoked from within 
"if [eof $fh] { 
                close $fh 
        } else { 
                set str [gets $fh] 
                append str "\n" 
                if { [fblocked $fh] } { set str [read $fh] } 
                while {[set idx [string f..." 
    (procedure "prnout" line 5) 
    invoked from within 
"prnout 1 file7" 
 
 
 
 

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