exec: Don't allow anything between {} and +

POSIX explicitly forbids this extension:

> Only a <plus-sign> that immediately follows an argument containing
> only the two characters "{}" shall punctuate the end of the primary
> expression. Other uses of the <plus-sign> shall not be treated as
> special.

1 files changed, 0 insertions, 3 deletions

diff --git a/exec.h b/exec.h
index 751a963..1a75064 100644
--- a/exec.h
+++ b/exec.h
@@ -48,9 +48,6 @@ struct bfs_exec {
 	/** Command line template size. */
 	size_t tmpl_argc;
 
-	/** For BFS_EXEC_MULTI, the index of the placeholder argument. */
-	size_t placeholder;
-
 	/** The built command line. */
 	char **argv;
 	/** Number of command line arguments. */