Remove vrb files.

diff --git a/00.intro/Makefile b/00.intro/Makefile
index e04e866..3517c7a 100644 (file)
--- a/00.intro/Makefile
+++ b/00.intro/Makefile
@@ -10,4 +10,4 @@ all: $(NAME).pdf
 
 clean:
        rm -f $(NAME).pdf $(NAME).tex $(NAME).aux $(NAME).log $(NAME).nav \
-               $(NAME).out $(NAME).snm $(NAME).toc
+               $(NAME).out $(NAME).snm $(NAME).toc $(NAME).vrb