My "make doc" is broken

[Frédéric Bron]

Since I upgraded ubuntu to 9.10, make doc does not work anymore but
why? Is it because of the ubuntu upgrade or because of git pull?
Here is the output:
...
Renaming input to: `music-function-string-markup.ly'
music-function-string-markup.ly:15:24: error: syntax error, unexpected
STRING, expecting \markup or MARKUP_IDENTIFIER
  \testFunc "test string
                        "
music-function-string-markup.ly:16:30: error: syntax error, unexpected
STRING, expecting \markup or MARKUP_IDENTIFIER
  c2 <c \testFunc "test string
                              " e>
]
music-function-string-markup.ly:14:0: error: errors found, ignoring
music expression

\relative c' {
]
error: failed files: "ed/lily-05317feb.ly"
command failed: /home/bronf/lilypond/out/bin/lilypond -I ./ -I
./out-www -I ../../input -I /home/bronf/lilypond/Documentation -I
/home/bronf/lilypond/Documentation/snippets -I ../../input/regression/
-I /home/bronf/lilypond/Documentation/included/ -I
/home/bronf/lilypond/mf/out/ -I /home/bronf/lilypond/mf/out/ -I
/home/bronf/lilypond/Documentation/pictures -I
/home/bronf/lilypond/Documentation/pictures/./out-www -dbackend=eps
--formats=ps,png,pdf  -dinclude-eps-fonts -dgs-load-fonts
--header=doctitle --header=doctitlefr --header=doctitlees
--header=doctitlede --header=doctitlenl --header=doctitleja
--header=doctitlehu --header=texidoc --header=texidocfr
--header=texidoces --header=texidocde --header=texidocnl
--header=texidocja --header=texidochu -dcheck-internal-types
-ddump-signatures -danti-alias-factor=2 -I
"/home/bronf/lilypond/out/lybook-db"  -I
"/home/bronf/lilypond/input/regression"  -I
"/home/bronf/lilypond/input/regression"  -I
"/home/bronf/lilypond/input/regression/out-www"  -I
"/home/bronf/lilypond/input"  -I  "/home/bronf/lilypond/Documentation"
 -I  "/home/bronf/lilypond/Documentation/snippets"  -I
"/home/bronf/lilypond/input/regression"  -I
"/home/bronf/lilypond/Documentation/included"  -I
"/home/bronf/lilypond/mf/out"  -I  "/home/bronf/lilypond/mf/out"  -I
"/home/bronf/lilypond/Documentation/pictures"  -I
"/home/bronf/lilypond/Documentation/pictures/out-www" --formats=eps
--verbose  -deps-box-padding=3.000000  -dread-file-list
-dno-strip-output-dir
"/home/bronf/lilypond/out/lybook-db/snippet-names--163355416.ly"
Child returned 1