notcurses-info: print check/x for styles

src/info/main.c

@@ -5,14 +5,19 @@
 #include "internal.h" // internal headers
 
 static inline wchar_t
-capbool(const tinfo* ti, bool cap){
-  if(ti->caps.utf8){
+capboolbool(unsigned utf8, bool cap){
+  if(utf8){
     return cap ? L'✓' : L'✖';
   }else{
     return cap ? '+' : '-';
   }
 }
 
+static inline wchar_t
+capbool(const tinfo* ti, bool cap){
+  return capboolbool(ti->caps.utf8, cap);
+}
+
 static int
 unicodedumper(const struct notcurses* nc, struct ncplane* n, tinfo* ti, const char* indent){
   ncplane_printf(n, "%sutf8%lc quad%lc sex%lc braille%lc images%lc videos%lc\n",
@@ -68,6 +73,8 @@ static void
 tinfo_debug_style(struct ncplane* n, const char* name, int style){
   ncplane_set_styles(n, style);
   ncplane_putstr(n, name);
+  ncplane_putwc(n, capboolbool(notcurses_canutf8(ncplane_notcurses(n)),
+                               notcurses_supported_styles(ncplane_notcurses(n)) & style));
   ncplane_set_styles(n, NCSTYLE_NONE);
 }