template and Makefile improvements

scripts/Makefile

-.PHONY: all
-.PRECIOUS: %.tex
+TARGET=specification
 
-all: specification.pdf clean
+.PHONY: all tex pdf clean cleanall
 
-%.tex: %.reqif
-	python3 reqif/scripts/parse.py $<
+all: pdf clean
 
-%.pdf: %.tex
-	latexmk -pdf -pdflatex="pdflatex -interaction=nonstopmode" -use-make $<
+tex:
+	python3 reqif/scripts/parse.py $(TARGET).reqif
+	
+pdf: tex
+	latexmk -pdf -pdflatex="pdflatex -interaction=nonstopmode" -use-make $(TARGET).tex
 
 clean:
-	latexmk -c
+	latexmk -c -f $(TARGET).tex
 	rm -f *~ *.tex
+
+cleanall: clean
+	rm $(TARGET).pdf

templates/tex/requirement_specification.tex

 		{%- if item.system_type_uid == '_4-K5EHYYEem_kd-7nxt1sg' %}
 			\section{ {{macros.latex_filter(item.Heading)}} }
 		{%- elif item.system_type_uid == '_MR7eNHYYEem_kd-7nxt1sg' %}
-			\subsection{\xspace{}{{ macros.latex_filter(item.ID) }}: {{macros.latex_filter(item.Heading)}} }
+			\subsection{\xspace{}{{ item.ID }}: {{ item.Heading }} }
 			{%- if 'Description' in item and item.Description != '' %}
-				{{ macros.requirement_filter(item.Description) }}
+				{{ item.Description }}
 			 	{%- if 'ReasonForImplementation' in item and item.ReasonForImplementation != '' or 'Fitcriterion' in item and item.Fitcriterion != ''%}
 
 					\begin{tabu}{lX}
 					\toprule
 					{%- if 'ReasonForImplementation' in item and item.ReasonForImplementation != '' %}
-						\emph{Reason} & {{ macros.requirement_filter(item.ReasonForImplementation) }}\\
+						\emph{Reason} & {{ item.ReasonForImplementation }}\\
 					{%- endif %}
 					{%- if 'Fitcriterion' in item and item.Fitcriterion != '' %}
-						\emph{Fitcriterion} & {{ macros.requirement_filter(item.Fitcriterion) }}\\
+						\emph{Fitcriterion} & {{ item.Fitcriterion }}\\
 					{%- endif %}
 					\bottomrule
 					\end{tabu}