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-rw-r--r--src/buffer.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/buffer.c b/src/buffer.c
index 5433c80edb0..f252f3d7ebf 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -67,8 +67,9 @@ struct buffer buffer_defaults;
/* This structure marks which slots in a buffer have corresponding
default values in buffer_defaults.
- Each such slot has a nonzero value in this structure.
- The value has only one nonzero bit.
+ Each such slot has a value in this structure.
+ The value is a positive Lisp integer that must be smaller than
+ MAX_PER_BUFFER_VARS.
When a buffer has its own local value for a slot,
the entry for that slot (found in the same slot in this structure)