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-rw-r--r--src/comp.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/comp.h b/src/comp.h
index e17b843d139..03d22dfaa0e 100644
--- a/src/comp.h
+++ b/src/comp.h
@@ -34,7 +34,11 @@ enum {
struct Lisp_Native_Comp_Unit
{
union vectorlike_header header;
- /* Original eln file loaded. */
+ /* The original eln file loaded. In the pdumper file this is stored
+ as a cons cell of 2 alternative file names: the car is the
+ filename relative to the directory of an installed binary, the
+ cdr is the filename relative to the directory of an uninstalled
+ binary. This is arranged in loadup.el. */
Lisp_Object file;
Lisp_Object optimize_qualities;
/* Guard anonymous lambdas against Garbage Collection and serve