Tillana: add source block to METADATA.pb

Assisted by an AI agent (Claude Opus 4.6)

diff --git a/ofl/tillana/METADATA.pb b/ofl/tillana/METADATA.pb
index d08cd1b6d8277de6b8d5d7b364e7b1c32eb876d2..b819353a3124ce75839750b84dee29219bdfc0a3 100644 (file)
--- a/ofl/tillana/METADATA.pb
+++ b/ofl/tillana/METADATA.pb
@@ -52,4 +52,8 @@ subsets: "devanagari"
 subsets: "latin"
 subsets: "latin-ext"
 subsets: "menu"
+source {
+  repository_url: "https://github.com/itfoundry/tillana"
+  commit: "7fccbe20b93ad8bcb3c7d7bee3afec03799bf5f6"
+}
 primary_script: "Deva"

diff --git a/ofl/tillana/upstream_info.md b/ofl/tillana/upstream_info.md
new file mode 100644 (file)
index 0000000..cb5e347
--- /dev/null
+++ b/ofl/tillana/upstream_info.md
@@ -0,0 +1,31 @@
+# Tillana — Upstream Source Investigation
+
+**Model**: Claude Opus 4.6
+**Date**: 2026-03-12
+**Investigator**: AI agent (Claude) under guidance of @felipesanches
+
+## Summary
+
+The canonical upstream repository for Tillana was found at https://github.com/itfoundry/tillana, hosted under the itfoundry GitHub organization (Indian Type Foundry). The repository contained both a Glyphs source file and UFO masters. Tillana is a Devanagari display typeface designed by Indian Type Foundry.
+
+## Repository
+
+- **URL**: https://github.com/itfoundry/tillana
+- **Owner**: itfoundry (Indian Type Foundry)
+- **Default branch**: master
+- **Commit used**: `7fccbe20b93ad8bcb3c7d7bee3afec03799bf5f6`
+- **Source format**: Glyphs + UFO
+
+## Source Files
+
+The `masters/` directory contained:
+- `Tillana.glyphs` — Glyphs source file
+- `Tillana_0.ufo` — UFO master (light end)
+- `Tillana_1.ufo` — UFO master (heavy end)
+- `instances` — Instances configuration
+
+Additional files in the repository root included build scripts (build.py), OpenType feature files, and configuration files typical of ITF's build process.
+
+## Confidence
+
+High — the repository was hosted under the official Indian Type Foundry GitHub organization, matching the designer credited in METADATA.pb.