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-rw-r--r--Src/exec.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/Src/exec.c b/Src/exec.c
index 109a04a26..da808d6f1 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -176,7 +176,8 @@ mod_export int sfcontext;
 /**/
 struct execstack *exstack;
 
-/* Stack with names of functions currently active. */
+/* Stack with names of function calls, 'source' calls, and 'eval' calls
+ * currently active. */
 
 /**/
 mod_export Funcstack funcstack;