doc/default.nix: fix Emacs syntax highlighting (no functional change)

Changed files
+2 -2
doc
+2 -2
doc/default.nix
···
'';
buildCommand = ''
-
ln -s $sources/*.xml . # */
+
ln -s "$sources/"*.xml .
echo ${nixpkgsVersion} > .version
···
cp ${./style.css} $dst/style.css
mkdir -p $dst/images/callouts
-
cp ${docbook5_xsl}/xml/xsl/docbook/images/callouts/*.gif $dst/images/callouts/
+
cp "${docbook5_xsl}/xml/xsl/docbook/images/callouts/"*.gif $dst/images/callouts/
mkdir -p $out/nix-support
echo "doc manual $dst manual.html" >> $out/nix-support/hydra-build-products