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-rw-r--r--otherlibs/labltk/browser/setpath.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/otherlibs/labltk/browser/setpath.ml b/otherlibs/labltk/browser/setpath.ml
index f9c478b07..8094b82e0 100644
--- a/otherlibs/labltk/browser/setpath.ml
+++ b/otherlibs/labltk/browser/setpath.ml
@@ -34,7 +34,7 @@ let renew_path box =
Listbox.insert box index:`End texts:!Config.load_path;
Jg_box.recenter box index:(`Num 0)
-let add_to_path :dirs ?:base[=""] box =
+let add_to_path :dirs ?(:base="") box =
let dirs =
if base = "" then dirs else
if dirs = [] then [base] else