X-Git-Url: https://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fswindow.C;h=289ae2616f4b150389d7c193e4dc7a0efd4976c8;hb=01c087cf8b098c6cd424cb2cb3778f3b1317fa21;hp=770556c64a99f942f8ae500869d8974c284f8c10;hpb=0df48ad2d876409c5beeae2e21933a728ea76c33;p=goodguy%2Fcinelerra.git

diff --git a/cinelerra-5.1/cinelerra/swindow.C b/cinelerra-5.1/cinelerra/swindow.C
index 770556c6..289ae261 100644
--- a/cinelerra-5.1/cinelerra/swindow.C
+++ b/cinelerra-5.1/cinelerra/swindow.C
@@ -841,8 +841,11 @@ void SWindowGUI::save_spumux_data()
 		if( !track->record ) continue;
 		char *cp = track_title, *ep = cp+sizeof(track_title)-6;
 		for( const char *bp=track->title; cp<ep && *bp!=0; ) {
-			int b = butf8(bp), c = !iswalnum(b) ? '_' : b;
-			butf8(c, cp);
+			int wch = butf8(bp); // iswalnum(wch) broken by MS port
+			if( !( (wch >= 'A' && wch <= 'Z') ||
+			       (wch >= 'a' && wch <= 'z') ||
+			       (wch >= '0' && wch <= '9') ) ) wch = '_';
+			butf8(wch, cp);
 		}
 		*cp = 0;
 		snprintf(ext,len,"-%s.udvd",track_title);