Not successfully coming through 'documentation' build

[Thomas Treichl]

I hope these warnings and the following error are not a Mac-only problem with 
the current CVS snapshot ;)

   making control.texi from control.txi
   gdImageStringFT: Could not find/open font while printing string ¬ with 
font Symbol
   gdImageStringFT: Could not find/open font while printing string  x =  with font
   gdImageStringFT: Could not find/open font while printing string 2/ with font
   gdImageStringFT: Could not find/open font while printing string Ö with 
font Symbol
   gdImageStringFT: Could not find/open font while printing string p with font 
Symbol
   gdImageStringFT: Could not find/open font while printing string   with font
   gdImageStringFT: Could not find/open font while printing string ò with 
font Symbol
   gdImageStringFT: Could not find/open font while printing string 0 with font
   gdImageStringFT: Could not find/open font while printing string x with font
   gdImageStringFT: Could not find/open font while printing string  e with font
   gdImageStringFT: Could not find/open font while printing string -t with font
   gdImageStringFT: Could not find/open font while printing string 2 with font
   gdImageStringFT: Could not find/open font while printing string  dt with font
   gdImageStringFT: Could not find/open font while printing string  = 0.6175 
with font
   gdImageStringFT: Could not find/open font while printing string ¬ with 
font Symbol
   gdImageStringFT: Could not find/open font while printing string  x =  with font
   gdImageStringFT: Could not find/open font while printing string 2/ with font
   gdImageStringFT: Could not find/open font while printing string Ö with 
font Symbol
   gdImageStringFT: Could not find/open font while printing string p with font 
Symbol
   gdImageStringFT: Could not find/open font while printing string   with font
   gdImageStringFT: Could not find/open font while printing string ò with 
font Symbol
   gdImageStringFT: Could not find/open font while printing string 0 with font
   gdImageStringFT: Could not find/open font while printing string x with font
   gdImageStringFT: Could not find/open font while printing string  e with font
   gdImageStringFT: Could not find/open font while printing string -t with font
   gdImageStringFT: Could not find/open font while printing string 2 with font
   gdImageStringFT: Could not find/open font while printing string  dt with font
   gdImageStringFT: Could not find/open font while printing string  = 0.6175 
with font
   making cp-idx.texi from cp-idx.txi

<SNIP>

   cp gplot.png HTML
   mkdir: HTML: File exists
   make[3]: *** [HTML/grid.png] Error 1
   make[3]: *** Waiting for unfinished jobs....
   make[2]: *** [interpreter] Error 2
   make[1]: *** [doc] Error 2
   make: *** [all] Error 2

Thomas