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-rw-r--r--otherlibs/labltk/browser/viewer.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/otherlibs/labltk/browser/viewer.ml b/otherlibs/labltk/browser/viewer.ml
index 9a20a4996..875780afa 100644
--- a/otherlibs/labltk/browser/viewer.ml
+++ b/otherlibs/labltk/browser/viewer.ml
@@ -245,7 +245,7 @@ let start_shell () =
pack [ok;cancel] side:`Left fill:`X expand:true;
pack [input;buttons] side:`Top fill:`X expand:true
-let f ?:dir[=Unix.getcwd()] ?:on () =
+let f ?(:dir=Unix.getcwd()) ?:on () =
let tl = match on with
None ->
let tl = Jg_toplevel.titled "Module viewer" in