From caee6369ebdee3d34f066042dea833ee37922481 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Mon, 26 May 2025 10:13:13 +0200
Subject: add syntax diagram for Curie

---
 _markdown.qmd       |  6 +++---
 _syntax.qmd         |  2 ++
 syntax/def_Curie.py | 18 ++++++++++++++++++
 3 files changed, 23 insertions(+), 3 deletions(-)
 create mode 100755 syntax/def_Curie.py

diff --git a/_markdown.qmd b/_markdown.qmd
index d1aa5dd..d038cc8 100644
--- a/_markdown.qmd
+++ b/_markdown.qmd
@@ -240,17 +240,17 @@ 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.
 
-*FIXME: mention and draw `Curie`*
-
 ::: {#fig-def-additions}
 
 ![](syntax/def_SemWords.svg)
 
 ![](syntax/def_SemWord.svg)
 
+![](syntax/def_Curie.svg)
+
 ![](syntax/def_SEMPREFIX.svg)
 
-Syntax of `SemWords`, `SemWord`, `Curie`, `SEMPREFIX`.
+Syntax of `SemWords`, `SemWord`, `Curie` and `SEMPREFIX`.
 
 :::
 
diff --git a/_syntax.qmd b/_syntax.qmd
index d8af814..0dd6204 100644
--- a/_syntax.qmd
+++ b/_syntax.qmd
@@ -34,6 +34,8 @@ regular expressions and the negative predicate from PEG notation.
 
 ![SemWord](syntax/def_SemWord.svg)
 
+![Curie](syntax/def_Curie.svg)
+
 ![Url](syntax/def_Uri.svg)
 
 ![HardBreak](syntax/def_HardBreak.svg)
diff --git a/syntax/def_Curie.py b/syntax/def_Curie.py
new file mode 100755
index 0000000..98a69c5
--- /dev/null
+++ b/syntax/def_Curie.py
@@ -0,0 +1,18 @@
+#!/usr/bin/python3
+
+# Copyright 2025, Jonas Smedegaard <dr@jones.dk>
+# SPDX-License-Identifier: GPL-3+
+
+from railroad import *
+
+Diagram(
+	Choice(0,
+		Sequence(
+			Choice(0, NonTerminal("CuriePrefix"), Skip() ),
+			(":")
+		),
+		Skip()
+	),
+	NonTerminal("CurieReference"),
+	type="complex"
+).writeStandalone(sys.stdout.write)
-- 
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