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-rw-r--r--libbuild2/config/utility.hxx3
1 files changed, 2 insertions, 1 deletions
diff --git a/libbuild2/config/utility.hxx b/libbuild2/config/utility.hxx
index f2bddc2..38a3ae1 100644
--- a/libbuild2/config/utility.hxx
+++ b/libbuild2/config/utility.hxx
@@ -99,7 +99,8 @@ namespace build2
// then, if there is no value, call the version with the default value and
// end up with the same result if we called the default value version
// straight away. This is useful when computing the default value is
- // expensive.
+ // expensive. It is also ok to call both versions multiple times provided
+ // the flags are the same.
//
// @@ Should we pass flags and interpret save_null_omitted to treat null
// as undefined? Sounds logical.