Searching for programmes which start with a number

[Paul Oldham]

If you try searching for "1834", which is a BBC Radio 4 Xtra programme, 
you don't get any matches for the programme (although you do on 
programme number 1834). Thus:

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$ get_iplayer --type radio 1834
get_iplayer 3.06-ppa31a, Copyright (C) 2008-2010 Phil Lewis
   This program comes with ABSOLUTELY NO WARRANTY; for details use 
--warranty.
   This is free software, and you are welcome to redistribute it under 
certain
   conditions; use --conditions for details.

Matches:
1834:   tv, Points West: Evening News - 06/11/2017, BBC One, b09bzw4g
INFO: 1 matching programmes
$
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There are two programmes there however:

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$ get_iplayer --type radio | grep 1834
30028:  1834 - What Century Are You Living In?, BBC Radio 4 Extra, 
b01137b8
30029:  1834 - The Time Machine, BBC Radio 4 Extra, b011db7v
31834:  As BBC Radio 5 live - 02/11/2017, BBC Radio Leicester, p05jmtqt
41834:  Radio 3 in Concert - Verbier Festival Orchestra, Mikhail 
Pletnev. Tchaikovsky, BBC Radio 3, b09d3ndk
$
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This seems to be true of any programme starting with a number ("15 
Minute Drama" for example, or "40 Years of The News Quiz") however it 
does match on programme names which begin with a numeric but aren't 
numbers ("2Tone Taxi" for example).

Do I have to do some sort of clever quoting to get around this or is it 
a bug? Thanks.
-- 
Paul