Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
 refs.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/refs.c b/refs.c
index 30b4bf7..1df1ccd 100644
--- a/refs.c
+++ b/refs.c
@@ -109,7 +109,19 @@ struct ref_entry;
  * (ref_entry->flag & REF_DIR) is zero.
  */
 struct ref_value {
+       /*
+        * The name of the object to which this reference resolves
+        * (which may be a tag object).  If REF_ISBROKEN, this is
+        * null.  If REF_ISSYMREF, then this is the name of the object
+        * referred to by the last reference in the symlink chain.
+        */
        unsigned char sha1[20];
+
+       /*
+        * If REF_KNOWS_PEELED, then this field holds the peeled value
+        * of this reference, or null if the reference is known not to
+        * be peelable.
+        */
        unsigned char peeled[20];
 };
 
-- 
1.8.2.1

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