updated for version 7.4.631
Problem:    The default conceal character is documented to be a space but it's
            initially a dash. (Christian Brabandt)
Solution:   Make the intial value a space.
diff --git a/src/globals.h b/src/globals.h
index 474f74f..759c510 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1167,7 +1167,7 @@
 EXTERN int	lcs_tab2 INIT(= NUL);
 EXTERN int	lcs_trail INIT(= NUL);
 #ifdef FEAT_CONCEAL
-EXTERN int	lcs_conceal INIT(= '-');
+EXTERN int	lcs_conceal INIT(= ' ');
 #endif
 
 #if defined(FEAT_WINDOWS) || defined(FEAT_WILDMENU) || defined(FEAT_STL_OPT) \