Bugfix: typo (s/root/prefix/), forgotten "e" in options to getopt

Author: dbosk

Makefile.exam

@@ -28,6 +28,6 @@ EXAM_TAGS-user3=  EvaluateSecureDesigns
 $(foreach id,${STUDENTS},$(eval EXAM_FLAGS-${id}=-NCi))
 
 
-INCLUDE_MAKEFILES=<submodule_root>/makefiles
+INCLUDE_MAKEFILES=<submodule_prefix>/makefiles
 include ${INCLUDE_MAKEFILES}/tex.mk
 include ${INCLUDE_MAKEFILES}/exam.mk

texgen.nw

@@ -219,7 +219,7 @@ long_usage="${long_usage}\n-c\ttoggles contents"
 We also have the letter and exam, which are the same as for notes and the 
 slides.
 <<variables>>=
-options="${options}l"
+options="${options}le"
 usage="${usage} [-l] [-e]"
 long_usage="${long_usage}\n-l\ttoggles letter"
 long_usage="${long_usage}\n-e\ttoggles exam"