X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;ds=sidebyside;f=youtube_dl%2FYoutubeDL.py;h=c608ff91a91636bc40b4fa1c99c013aadcc80820;hb=354b4b8604ec13ccf4bd89b9d1b77cb7246fe379;hp=efa3254ceec68d1a9af9d82cb146be63ffbe9309;hpb=03950c90f778293e65e2b79f2cf8ea3274695460;p=youtube-dl

diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index efa3254ce..c608ff91a 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -960,6 +960,8 @@ class YoutubeDL(object):
                         selectors.append(current_selector)
                         current_selector = None
                     elif string == '/':
+                        if not current_selector:
+                            raise syntax_error('"/" must follow a format selector', start)
                         first_choice = current_selector
                         second_choice = _parse_format_selection(tokens, inside_choice=True)
                         current_selector = FormatSelector(PICKFIRST, (first_choice, second_choice), [])