fix tag display bug related to w->rev

The revision of the tag needs to be updated
when drawn.  I moved the revision bumping code
in draw() to handle both the tag and regular
windows uniformly.

It is unclear if this use of rev == 0 is sane
or not.  Indeed, the dirty(W *) code will update
the window only if rev != 0, this implies that
the following invariant holds:

!  Whenever rev == 0, the l[] array is  !
!  up-to-date with the buffer.          !

I do not know if this is true now.

1 files changed, 1 insertions, 1 deletions

diff --git a/win.c b/win.c
index fb62b20..90b0063 100644
--- a/win.c
+++ b/win.c
@@ -132,7 +132,6 @@ win_redraw_frame()
 	for (w=wins; w-wins<MaxWins; w++)
 		if (w->eb && dirty(w)) {
 			draw(w, GPaleYellow);
-			w->rev = eb_revision(w->eb);
 			if (tag.owner == w)
 				tag.win.rev = 0;
 		}
@@ -399,6 +398,7 @@ draw(W *w, GColor bg)
 	flushfrag(&f, w, 0, 0, sel);
 	if (cw != 0)
 		g->drawrect(&w->gr, cx, cy, cw, font.height, GXBlack);
+	w->rev = eb_revision(w->eb);
 }
 
 /* move - Resize and recompute appearance