diff --git a/examples/cenelec/Example.thy b/examples/cenelec/Example.thy
deleted file mode 100644
index 07a8d3f..0000000
--- a/examples/cenelec/Example.thy
+++ /dev/null
@@ -1,105 +0,0 @@
-chapter\<open> Example : Forward and Standard (use-after-define) Referencing\<close>
-
-theory Example
-  imports  
-    Isabelle_DOF.CENELEC_50128
-    Isabelle_DOF.scholarly_paper
-begin
-
-section\<open> Some examples of Isabelle's standard antiquotations. \<close>
-(* some show-off of standard anti-quotations: *) 
-text \<open>THIS IS A TEXT\<close>
-term "[]"
-
-text\<open>  @{thm refl}  of name @{thm [source] refl} 
-        @{thm[mode=Rule] conjI}
-        @{file "../../Isa_DOF.thy"} 
-        @{value "3+4::int"} 
-        @{const hd} 
-        @{theory HOL.List}}
-        @{term "3"} 
-        @{type bool}  
-        @{term [show_types] "f x = a + x"} \<close>
-
-
-
-
-section\<open> Core Examples for stating text-elements as doc-items.\<close>
-
-text\<open>An "anonymous" text-item, automatically coerced into the top-class "text".\<close>
-text*[tralala] \<open> Brexit means Brexit \<close> 
-
-text\<open>Examples for declaration of typed doc-items "assumption" and "hypothesis",
-     concepts defined in the underlying ontology @{theory "Draft.CENELEC_50128"}. \<close>
-text*[ass1::assumption] \<open> The subsystem Y is safe. \<close>
-text*[hyp1::hypothesis] \<open> P not equal NP \<close>
-  
-text\<open>A real example fragment from a larger project, declaring a text-element as a
-     "safety-related application condition", a concept defined in the  
-     @{theory "Draft.CENELEC_50128"}
-     ontology:\<close>  
-
-text*[new_ass::hypothesis]\<open>Under the assumption @{assumption \<open>ass1\<close>} we establish the following: ... \<close>
-
-text*[ass122::SRAC] \<open> The overall sampling frequence of the odometer
-subsystem is therefore 14 khz, which includes sampling, computing and
-result communication times... \<close>
-  
-text*[t10::test_result] \<open> This is a meta-test. This could be an ML-command
-that governs the external test-execution via, eg., a makefile or specific calls
-to a test-environment or test-engine \<close>
-
-
-section\<open> References to doc-items.\<close>
-text\<open>Finally some examples of references to doc-items, i.e. text-elements with declared 
-     meta-information and status. \<close> 
-text \<open> As established by @{docref (unchecked) \<open>t10\<close>}, 
-                         @{docref (define) \<open>t10\<close>} \<close>
-text \<open> the               @{docref \<open>t10\<close>}                      
-       as well as the    @{docref \<open>ass122\<close>}\<close>  
-text \<open> represent a justification of the safety related applicability 
-       condition @{SRAC \<open>ass122\<close>} aka exported constraint @{EC \<open>ass122\<close>}.\<close> 
-
-
-
-
-section\<open> Some Tests for Ontology Framework and its CENELEC Instance \<close>  
-                                                  
-declare_reference* [lalala::requirement, alpha="main", beta=42]
-declare_reference* [blablabla::cid, alpha="beta sdf", beta=gamma, delta=dfg_fgh\<^sub>1]
-
-paragraph* [sdfk::introduction] \<open> just a paragraph - lexical variant \<close>
-
-
-
-
-section*[h::example]\<open> Some global inspection commands for the status of docitem  and doc-class tables ... \<close>  
-
-
-
-section*[i::example]\<open> Text Antiquotation Infrastructure ... \<close>  
-                  
-text\<open> @{docitem \<open>lalala\<close>}   -- produces warning. \<close>  
-text\<open> @{docitem (unchecked) \<open>lalala\<close>} -- produces no warning. \<close>  
-
-text\<open> @{docitem \<open>ass122\<close>} -- global reference to a text-item in another file. \<close>
-  
-text\<open> @{EC \<open>ass122\<close>} -- global reference to a exported constraint in another file.
-                         Note that the link is actually a srac, which, according to 
-                         the ontology, happens to be an "ec".  \<close>
-
-
-section*[h2::example]\<open> Snippets ... \<close> 
-
-text*[req1::requirement, is_concerned="UNIV"] 
-\<open>The operating system shall provide secure 
-memory separation. \<close>
-
-
-text\<open>The recurring issue of the certification 
-     is @{requirement \<open>req1\<close>} ...\<close>
-
-  
-end
-  
-