diff --git a/Makefile b/Makefile
index e2300f2f999f776f39bb588086cd44dbd56c1171..92335397c817da8fc44d9438395d4984918903ea 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,7 @@ test:   # fails if any command produces exit code != 0
 	@for test in test/*.sl; do \
 		echo; \
 		echo $$test; \
-		isis -g -n $$test || exit 1; \
+		isis -g -n -q -10 --script $$test || exit 1; \
 	done
 	@awk -f test/number_of_if_endif_directives.awk share/isisscripts.sl
 
diff --git a/build/isisscripts_prefix.sl b/build/isisscripts_prefix.sl
index b0c72787972dd2c37a2df97730c227a0602d8199..fd4260b210c241efcbac0030736f1af4aff09e2d 100644
--- a/build/isisscripts_prefix.sl
+++ b/build/isisscripts_prefix.sl
@@ -4,11 +4,11 @@
 %
 
 #ifeval __get_reference("_Isisscripts_Verbose")==NULL
-variable _Isisscripts_Verbose=1;
+variable _Isisscripts_Verbose=Isis_Verbose;
 #endif
 
 if (Undefined_Type==typeof(_Isisscripts_Verbose)) {
-    _Isisscripts_Verbose=1;
+    _Isisscripts_Verbose=Isis_Verbose;
 }
 
 if (_Isisscripts_Verbose>0) {
diff --git a/test/test_documentation.sl b/test/test_documentation.sl
new file mode 100644
index 0000000000000000000000000000000000000000..926d695f276f5fb1abe27b178b57ff9d9ca22b5d
--- /dev/null
+++ b/test/test_documentation.sl
@@ -0,0 +1,109 @@
+% test for documentation of accessible functions
+%   No documentation -> No publication
+
+% get slang internal package
+require("slshhelp");
+require("setfuns");
+
+% get everything known from global ns and other packages required
+variable file = "./share/isisscripts.sl";
+variable fp = fopen(file,"r");
+variable mat,si,s;
+variable modules = {};
+variable line;
+
+foreach line (fp) using ("line")
+{
+  mat = string_matches(line,"try[ ]*{[ ]*\(require.*\)}"R);
+  if (length(mat) > 1)
+  {
+    si = strchop(mat[1],';',0);
+    foreach s(si)
+    {
+      mat = string_matches(s,".*require(.*\"\(.*\)\".*)"R);
+      if (length(mat) > 1)
+      {
+	list_append(modules, mat[1]);
+      }
+    }
+  }
+}
+
+if (length(modules))
+  modules = list_to_array(modules);
+else
+  modules = NULL;
+modules = modules[unique(modules)];
+variable m;
+foreach m (modules)
+  try { require(m); } catch AnyError;
+
+variable knowns = [_apropos("Global", "", 1 | 2), _apropos(current_namespace(), "", 1 | 2)];
+
+% import packages to seperate namespaces
+variable ns = "isisscripts_test";
+% load isisscript to new ns
+require(file, ns);
+
+variable Local_Functions, Global_Functions;
+variable name;
+variable nodoc_globals = 0;
+variable nodoc_locals = 0;
+
+% iterate over all functions, and check if we get a help
+Local_Functions = _apropos(ns, "", 1 | 2);
+Global_Functions = _apropos("Global", "", 1 | 2);
+
+variable Local_Undoc = {};
+if (Int_Type != typeof(Local_Functions)) {
+  % remove everything that comes from slang and associated packages
+  Local_Functions = Local_Functions[complement(Local_Functions, knowns)];
+  foreach name (Local_Functions) {
+    if (NULL == slsh_get_doc_string(name)) { % no help!
+      nodoc_locals++;
+      list_append(Local_Undoc, name);
+    }
+  }
+} else {
+  Local_Functions = {};
+}
+
+variable Global_Undoc = {};
+if (Int_Type != typeof(Global_Functions)) {
+  % remove everything that comes from slang and associated packages
+  Global_Functions = Global_Functions[complement(Global_Functions, knowns)];
+  foreach name (Global_Functions) {
+    if (NULL == slsh_get_doc_string(name)) { % no help!
+      nodoc_globals++;
+      list_append(Global_Undoc, name);
+    }
+  }
+} else {
+  Global_Functions = {};
+}
+
+vmessage(`
+ISISSCRIPTS defines
+  Global functions: %d,  %d undocumented
+   Local functions: %d,  %d undocumented
+`,
+	 length(Global_Functions), nodoc_globals,
+	 length(Local_Functions), nodoc_locals);
+
+if (nodoc_globals) {
+  vmessage("%s Undocumented Globals %s", ("=")[[0:14]/15], dup());
+  variable sym;
+  foreach sym (Global_Undoc)
+    vmessage("  %s", sym);
+}
+
+if (nodoc_locals) {
+  vmessage("%s Undocumented Locals %s", ("=")[[0:14]/15], dup());
+  foreach sym (Local_Undoc)
+    vmessage("  %s", sym);
+}
+
+vmessage("");
+
+%exit(nodoc_globals || nodoc_locals);
+exit(0); % once we have everything documented this should fail on missing documentation