add comment...

PKGBUILD

@@ -20,6 +20,7 @@ build() {
   ../${pkgname}-${pkgver}/configure --prefix=/usr --mandir=/usr/share/man \
      --with-shared --with-normal --without-debug --without-ada \
      --with-install-prefix=${pkgdir} --enable-widec 
+  # add --enable-ext-colors with next soname bump
   make || return 1
 
   # libncurses.so.5 for external binary support