compiler: unify directory special files

4 files changed, 2 insertions, 3 deletions

diff --git a/example/readme.md b/example/readme.md
index eafdaf5..809ae68 100644
--- a/example/readme.md
+++ b/example/readme.md
@@ -13,12 +13,11 @@ Content
 ├── _DSC8808-1.jpg           -- a picture
 ├── _DSC8808-1.jpg.yaml      -- its associated sidecar metadata file
 ├── Glacier 3000             -- a directory grouping gallery items
-│   ├── thumbnail.jpg        -- a thumbnail for the "Glacier 3000" directory
-│   ├── directory.yaml       -- sidecar metadata file for the "Glacier 3000" directory
+│   ├── _directory.jpg       -- a thumbnail for the "Glacier 3000" directory
+│   ├── _directory.yaml      -- sidecar metadata file for the "Glacier 3000" directory
 │   ├── _DSC5475.jpg
 │   ├── _DSC5475.jpg.yaml
 │   ├── _DSC5542.jpg
 │   └── _DSC5542.jpg.yaml
-├── directory.yaml           -- sidecar metadata file for the root directory
 └── gallery.yaml             -- gallery settings file
 ```
diff --git a/example/src/Glacier 3000/thumbnail.jpg b/example/src/Glacier 3000/_directory.jpg
index 19a716e..19a716e 100644
--- a/example/src/Glacier 3000/thumbnail.jpg
+++ b/example/src/Glacier 3000/_directory.jpg
diff --git a/example/src/Glacier 3000/directory.yaml b/example/src/Glacier 3000/_directory.yaml
index 44674cf..44674cf 100644
--- a/example/src/Glacier 3000/directory.yaml
+++ b/example/src/Glacier 3000/_directory.yaml
diff --git a/example/src/directory.yaml b/example/src/_directory.yaml
index ab81bb2..ab81bb2 100644
--- a/example/src/directory.yaml
+++ b/example/src/_directory.yaml