diff -r 2cbf4c472a67 -r 8da11cce2c98 schema/ssm.xsd
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/schema/ssm.xsd	Sat Sep 21 19:40:43 2019 +0200
@@ -0,0 +1,65 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+	Sane Software Manifesto helper tools
+	Copyright © 2019 František Kučera (Frantovo.cz, GlobalCode.info)
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, version 3.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program.  If not, see <https://www.gnu.org/licenses/>.
+-->
+<xs:schema xmlns="tag:globalcode.info,2019:sane-software/manifesto"
+		   targetNamespace="tag:globalcode.info,2019:sane-software/manifesto"
+		   xmlns:xs="http://www.w3.org/2001/XMLSchema"
+		   elementFormDefault="qualified"
+		   attributeFormDefault="unqualified">
+
+	<xs:element name="manifesto" type="Manifesto"/>
+	
+	<xs:complexType name="Manifesto">
+		<xs:sequence>
+			<xs:element name="title" type="xs:string"/>
+			<xs:element name="id" type="ID"/>
+			<xs:element name="preamble" type="xs:string"/>
+			<xs:element name="chapter" type="Chapter" maxOccurs="unbounded"/>
+		</xs:sequence>
+	</xs:complexType>
+	
+	<xs:simpleType name="ID">
+		<xs:annotation>
+			<xs:documentation>
+				UUID, but must start with a letter, to comply with XML ID rules;
+				use e.g. uuidgen | grep ^[a-f];
+				Never reuse the ID if one chapter/item is removed and another with different meaning is added.
+			</xs:documentation>
+		</xs:annotation>
+		<xs:restriction base="xs:ID">
+			<xs:pattern value="[a-f][a-f0-9]{7}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}"/>
+		</xs:restriction>
+	</xs:simpleType>
+		
+	<xs:complexType name="Chapter">
+		<xs:sequence>
+			<xs:element name="name" type="xs:string"/>
+			<xs:element name="id" type="ID"/>
+			<xs:element name="item" type="Item" maxOccurs="unbounded"/>
+		</xs:sequence>
+	</xs:complexType>
+	
+	<xs:complexType name="Item">
+		<xs:sequence>
+			<xs:element name="id" type="ID"/>
+			<xs:element name="text" type="xs:string" minOccurs="1" maxOccurs="unbounded"/>
+			<xs:element name="note" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
+			<xs:element name="item" type="Item" minOccurs="0" maxOccurs="unbounded"/>
+		</xs:sequence>
+	</xs:complexType>
+
+</xs:schema>