Odd Warning when compiling doc this morning - breaks compile

[James]

Hello,

I've done a fresh git pull this morning and a make ; make doc and during 
compile I got the error message

--

DEPTH=../../ AJAX_SEARCH= TOP_SRC_DIR=/home/jlowe/lilypond-git 
PERL_UNICODE=SD texi2html --prefix=index --split=section --I=. 
--I=./out-www -I /home/jlowe/lilypond-git/Documentation 
--I=/home/jlowe/lilypond-git/./out-www/xref-maps 
--init-file=/home/jlowe/lilypond-git/Documentation/lilypond-texi2html.init 
 --output=out-www/contributor/ out-www/contributor.texi
WARNING: Node 'Install and configuration of lily-git.tcl' was NOT found 
in the map
File name:
WARNING: Node 'Daily use of lily-git.tcl' was NOT found in the map
File name:
*** Can't open out-www/contributor/ for writing: Is a directory
make[2]: *** [out-www/contributor/index.html] Error 21
rm out-www/weblinks.itexi
make[2]: Leaving directory `/home/jlowe/lilypond-git/Documentation'
make[1]: *** [WWW-2] Error 2
make[1]: Leaving directory `/home/jlowe/lilypond-git'
make: *** [doc] Error 2
address@hidden:~/lilypond-git$

--

James