diff --git a/gmd-syntax.md b/gmd-syntax.md
index cc241b4..e9fc8cf 100644
--- a/gmd-syntax.md
+++ b/gmd-syntax.md
@@ -4,18 +4,3 @@ generated from [gmd-syntax.ebnf](./gmd-syntax.ebnf) (semantic rules are yellow),
 test examples in [gmd-test-examples.txt](./gmd-test-examples.txt).
 
 ![](https://www.plantuml.com/plantuml/proxy?fmt=svg&cache=no&src=https://raw.githubusercontent.com/volkerdoerr/gmd/main/gmd-syntax.ebnf)
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-## Todo
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-- Semantics: nearly all unicode characters and symbols are allowed. it is the resonsibility of the authors to not create messy documents
-- Syntax and semantics: a tab is interpreted as the equivalent of 4 spaces
-- Semantics explanation: Html-elements cannot be used in a gMD document
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