restructure PEG for simpler adding SemWord

1 files changed, 11 insertions, 14 deletions

diff --git a/_markdown.qmd b/_markdown.qmd
index 80edfc1..10572e1 100644
--- a/_markdown.qmd
+++ b/_markdown.qmd
@@ -220,35 +220,32 @@ as in @fig-def-extensions.
 Syntax newly introduced as part of Semantic Markdown
 is marked with a dotted frame.
 
-*FIXME: mention and draw extended LinkedWordsX as well.*
-
 ::: {#fig-def-extensions}
 
-![](syntax/AnnotatedWordsX.svg)
+![](syntax/KeyWordX.svg)
+
+![](syntax/PrefixDefinition.svg)
 
-Syntax of `AnnotatedWords` and `LinkedWords`, extended with `SemWords`.
+Syntax of derived `KeyWord` and new block `PrefixDefinition`.
 
 :::
 
-The new `SemWords` are components in the RDF language,
-which is described further in @sec-rdf;
-either an angle-bracketed `Uri` or a `Curie`.
-Each component has an optional prefix
-to denote whether it is an RDF subject, predicate or object.
-(Again, these RDF terms are described further in @sec-rdf).
-See @fig-def-additions for their syntax diagrams.
+The above changes mainly introduces the new `SemWord`
+which is either an angle-bracketed `Uri` or the new `Curie`,
+optional prefixed with the new `SEMPREFIX`.
+(These new terms relate to the metalanguage RDF
+discussed briefly in @sec-rdf).
+See @fig-def-additions for syntax diagrams of the new syntax.
 
 ::: {#fig-def-additions}
 
-![](syntax/SemWords.svg)
-
 ![](syntax/SemWord.svg)
 
 ![](syntax/Curie.svg)
 
 ![](syntax/SEMPREFIX.svg)
 
-Syntax of `SemWords`, `SemWord`, `Curie` and `SEMPREFIX`.
+Syntax of `SemWord`, `Curie` and `SEMPREFIX`.
 
 :::