diff -r e753a7f967c8 -r ae8775e0bc7a src/uri.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/uri.h	Sat Dec 12 00:01:57 2020 +0100
@@ -0,0 +1,53 @@
+/**
+ * Relational pipes
+ * Copyright © 2020 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 of the License.
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+namespace relpipe {
+namespace out {
+namespace ini {
+
+// TODO: these strings will become globally unique URIs (or IRIs) after moving to alt2xml and relative/unprefixed names should also work
+
+/** general options of the INI writer */
+namespace option {
+static const wchar_t* AllowSections = L"allow-sections";
+// static const wchar_t* AllowSectionTags = L"allow-section-tags";
+// static const wchar_t* AllowSubKeys = L"allow-sub-keys";
+static const wchar_t* CommentSeparatorForSections = L"comment-separator-for-sections";
+static const wchar_t* CommentSeparatorForEntries = L"comment-separator-for-entries";
+static const wchar_t* CommentSeparatorStandalone = L"comment-separator-standalone";
+static const wchar_t* KeyValueSeparator = L"key-value-separator";
+static const wchar_t* Quotes = L"quotes";
+static const wchar_t* Dialect = L"dialect";
+}
+
+/** names of dynamically registered escaping processors; they are also options */
+namespace escaping {
+static const wchar_t* Basic = L"escape-basic";
+static const wchar_t* JavaProperties = L"escape-java-properties";
+static const wchar_t* Backspace = L"escape-backspace";
+}
+
+/** not options but a values of the dialect option */
+namespace dialect {
+static const wchar_t* JavaProperties = L"java-properties";
+static const wchar_t* JavaManifestMF = L"java-manifest-mf";
+}
+
+}
+}
+}