Fix Unicode issues

See https://github.com/michal-h21/rdfref/issues/1

pflichtenheft.sty

@@ -30,7 +30,7 @@
   \stepcounter{criterium}
   \par\textbf{#1}\rdflabel{#2}
   \marginid{M\arabic{criterium}}
-  \AddProperty{pfl:crtname}{#1}
+  \AddPropertyEx{pfl:crtname}{#1}
   \AddPropertyEx{pfl:crtid}{M\arabic{criterium}}
   \IfProperty{#2}{pfl:is-fulfilled}{%
     \\ Implementiert durch: \Bind{?f}{pfl:fulfills}{#2}{ \functionalitylink{\GetVal{?f}} }
@@ -41,7 +41,7 @@
   \stepcounter{criteriumOpt}
   \par\textbf{#1}\rdflabel{#2}
   \marginid{K\arabic{criteriumOpt}}
-  \AddProperty{pfl:crtname}{#1}
+  \AddPropertyEx{pfl:crtname}{#1}
   \AddPropertyEx{pfl:crtid}{K\arabic{criteriumOpt}}
   \IfProperty{#2}{pfl:is-fulfilled}{%
     \\ Implementiert durch: \Bind{?f}{pfl:fulfills}{#2}{ \functionalitylink{\GetVal{?f}} }
@@ -52,7 +52,7 @@
   \stepcounter{criteriumNot}
   \par\textbf{#1}\rdflabel{#2}
   \marginid{A\arabic{criteriumNot}}
-  \AddProperty{pfl:crtname}{#1}
+  \AddPropertyEx{pfl:crtname}{#1}
   \AddPropertyEx{pfl:crtid}{A\arabic{criteriumNot}}
   \par}
 
@@ -60,7 +60,7 @@
   \stepcounter{functionality}
   \par\textbf{#1}\rdflabel{#2}
   \marginid{F\arabic{functionality}}
-  \AddProperty{pfl:fncname}{#1}
+  \AddPropertyEx{pfl:fncname}{#1}
   \AddPropertyEx{pfl:fncid}{F\arabic{functionality}}
   \IfProperty{#2}{pfl:is-tested}{%
     \\ Getestet durch: \Bind{?t}{pfl:tests}{#2}{ \testlink{\GetVal{?t}} }
@@ -72,7 +72,7 @@
   \stepcounter{nonfunctionality}
   \par\textbf{#1}\rdflabel{#2}
   \marginid{N\arabic{nonfunctionality}}
-  \AddProperty{pfl:fncname}{#1}
+  \AddPropertyEx{pfl:fncname}{#1}
   \AddPropertyEx{pfl:fncid}{N\arabic{nonfunctionality}}
   \par}
 
@@ -80,7 +80,7 @@
   \stepcounter{test}
   \par\textbf{#1}\rdflabel{#2}
   \marginid{T\arabic{test}}
-  \AddProperty{pfl:tstname}{#1}
+  \AddPropertyEx{pfl:tstname}{#1}
   \AddPropertyEx{pfl:tstid}{T\arabic{test}}
   \\ Testing: \Bind{#2}{pfl:tests}{?f}{ \functionalitylink{\GetVal{?f}} }
   \par}