Add :show command to display special symbols for whitespaces

Enable/disable by setting to 0/1 respectively:

 :set show spaces=0 tabs=0 newlines=1

1 files changed, 2 insertions, 0 deletions

diff --git a/view.h b/view.h
index 049ed4c..1d10110 100644
--- a/view.h
+++ b/view.h
@@ -115,5 +115,7 @@ bool view_viewport_down(View *view, int n);
 /* associate a set of syntax highlighting rules to this window. */
 void view_syntax_set(View*, Syntax*);
 Syntax *view_syntax_get(View*);
+void view_symbols_set(View*, int flags);
+int view_symbols_get(View*);
 
 #endif