Track catalog & magic prereqs and diff for changes

[Shushe] / README.markdown

diff --git a/README.markdown b/README.markdown
index 573fb86e51fe59b89c2ac7586986d5a23330c71b..e0a143e5f5ea0fa823630038a616edf6496ec97f 100644 (file)
--- a/README.markdown
+++ b/README.markdown
@@ -102,6 +102,7 @@ In every case, you may supply your own implementation by overriding the
 
 - `awk`
 - `cat`
+- `cksum`
 - `cp`
 - `date`
 - `echo`
@@ -431,6 +432,9 @@ The following params are made available globally in parsers and
 - **`BUILDTIME`:**
   The current time.
 
+- **`CKSUM`:**
+  The checksum of the source file (⅌ `cksum`).
+
 - **`GENERATOR`:**
   The value of the `GENERATOR` variable (if present).