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-rw-r--r--src/lread.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/lread.c b/src/lread.c
index 772a91581a6..1b945fcba5b 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -2189,6 +2189,7 @@ init_obarray ()
Vpurify_flag = Qt;
Qvariable_documentation = intern ("variable-documentation");
+ staticpro (&Qvariable_documentation);
read_buffer_size = 100;
read_buffer = (char *) malloc (read_buffer_size);