s0artcl: pass default options to scrartcl: a4paper,11ptparskip=half-

s0artcl.cls

@@ -12,7 +12,11 @@
 
 % --- Class structure: declaration of options part
 % ---
-% This class extends the article class
+% This class extends the scrartcl class
+% Pass default options to scrartcl:
+\PassOptionsToClass{a4paper}{scrartcl}
+\PassOptionsToClass{11pt}{scrartcl}
+\PassOptionsToClass{parskip=half-}{scrartcl}
 % Read all the documentclass options; pass them to article,
 % unless the file "<currentoption>.s0c" exists, then it is loaded
 \DeclareOption*{\InputIfFileExists{\CurrentOption.s0c}{}{%