-documentation: $(addprefix doc/, developer.html faq.html ffmpeg-doc.html ffserver-doc.html \
- ffplay-doc.html general.html vfilters.html $(ALLMANPAGES))
+documentation: $(addprefix doc/, developer.html faq.html ffmpeg-doc.html \
+ ffplay-doc.html ffserver-doc.html \
+ general.html vfilters.html $(ALLMANPAGES))