diff --git a/make-includes/build_misc_rules.make b/make-includes/build_misc_rules.make
index 976f4df..36be3a7 100755
--- a/make-includes/build_misc_rules.make
+++ b/make-includes/build_misc_rules.make
@@ -185,18 +185,18 @@
 
 $(WEB_QUESTIONS_HTML): %-questions.html: %-derived.xml
 ifdef UNICODE
-	$(call xslt,$<,xml2xhtml.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,paper-period,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'no'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'png')) > $@
+	$(call xslt,$<,xml2xhtml.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,period-code,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'no'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'png')) > $@
 else
-	$(call xslt,$<,xml2html.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,paper-period,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'no'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'png')) > $@
+	$(call xslt,$<,xml2html.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,period-code,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'no'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'png')) > $@
 endif
 
 web-answers: $(WEB_ANSWERS_HTML) $(WEB_IMAGES) $(WEB_FILES)
 
 $(WEB_ANSWERS_HTML): %-answers.html: %-derived.xml
 ifdef UNICODE
-	$(call xslt,$<,xml2xhtml.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,paper-period,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'yes'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'png')) > $@
+	$(call xslt,$<,xml2xhtml.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,period-code,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'yes'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'png')) > $@
 else
-	$(call xslt,$<,xml2html.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,paper-period,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'yes'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'png')) > $@
+	$(call xslt,$<,xml2html.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,period-code,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'yes'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'png')) > $@
 endif
 else
 web: $(WEB_HTML) $(WEB_IMAGES) $(WEB_FILES)
@@ -216,9 +216,9 @@
 
 $(PRINT_QUESTIONS_TEX): %-questions.tex: %-derived.xml
 ifdef UNICODE
-	$(call xslt,$<,xml2xelatex.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,paper-period,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'no'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'pdf')) > $@
+	$(call xslt,$<,xml2xelatex.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,period-code,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'no'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'pdf')) > $@
 else
-	$(call xslt,$<,xml2latex.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,paper-period,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'no'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'pdf')) > $@
+	$(call xslt,$<,xml2latex.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,period-code,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'no'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'pdf')) > $@
 endif
 
 print-answers: $(PRINT_ANSWERS_PDF_1UP) $(PRINT_ANSWERS_PDF_2UP)
@@ -227,9 +227,9 @@
 
 $(PRINT_ANSWERS_TEX): %-answers.tex: %-derived.xml
 ifdef UNICODE
-	$(call xslt,$<,xml2xelatex.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,paper-period,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'yes'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'pdf')) > $@
+	$(call xslt,$<,xml2xelatex.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,period-code,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'yes'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'pdf')) > $@
 else
-	$(call xslt,$<,xml2latex.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,paper-period,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'yes'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'pdf')) > $@
+	$(call xslt,$<,xml2latex.xsl,$(call xslt_parameter,subject-code,'$(SUBJECT_CODE)'),$(call xslt_parameter,paper-number,'$(PAPER_NUMBER)'),$(call xslt_parameter,paper-year,'$(PAPER_YEAR)'),$(call xslt_parameter,period-code,'$(PAPER_PERIOD)'),$(call xslt_parameter,standalone,'yes'),$(call xslt_parameter,showanswers,'yes'),$(call xslt_parameter,base-path,'.'),$(call xslt_parameter,image-format,'pdf')) > $@
 endif
 else
 print: $(PRINT_PDF_1UP) $(PRINT_PDF_2UP)