What are used and unused filters?

Upgraded to Lr4 and noticed "used" and "unused" filters. Maybe they were there in Lr3 and I just didn't notice them.
Can someone tell me what these are for? If I select either and then to cmd-A, I select all pix in my library with either filter? So, for me they are doing nothing.
Btw, I tried looking in Lr help for this but could not find it. Can someone point me to the user manual or online help that covers this topic.
On Mac with Snow Leopard. Thank you, Chris R

If you are working on a book, they will show you images you have used or not used in the current project. You activate it in the Film Strip of the Book Module

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Hi
The format of email addresses is
local-part@domain where the local-part may be up to 64 characters long and the
domain name may have a
maximum of 253 characters - but the maximum 256 characters length of a forward or reverse path restricts the entire email address to be no more than 254 characters.[1]
The formal definitions are in RFC 5322 (sections 3.2.3
and 3.4.1) and RFC 5321 - with a more readable form given in
the informational RFC 3696[2]
and the associated errata.
Local part
The local-part of the email address may use any of these
ASCII characters
RFC 5322 Section
3.2.3:
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Digits
0 to
9 (ASCII: 48-57)
Characters
!#$%&'*+-/=?^_`{|}~ (ASCII: 33, 35-39, 42, 43, 45, 47, 61, 63, 94-96, 123-126)
Character
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o
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<tt>[email protected]</tt> (character dot(.) is double)
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Hai....
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Assign Points If It Halps....
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[/EDIT]
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Peter Gold
KnowHow ProServices
Beverly Robinson wrote:
I'm a keyboard person--I apply styles using the F8 and F9 key--so I don't have the paragraph catalog display at all. I would have put the "Delete all unused formats" option with the delete functionality available through the Commands button on the Paragraph Designer. But that's just me.
Message was edited by: peter at knowhowpro

What are SCMRWBS and SCMEMWCL for ?

Hello all,
I'm now filling the installation parameter sheet of SCM(APO) system.
This sheet has two paraemters whose content I'm not sure of.
That is, software units SCMRWBS and SCMEMWCL.
What are SCMRWBS and SCMEMWCL for ?
Do we need to install them while my project will use PP/DS and BP modules ?
And can we see whether these usage types installed or not via SAPGUI ?
I beg your help !
Thank you for your cooperation in advance.
Regards,

Hi Hideki,
SCMRWBS is for SCM Replenishment Workbench. If you are using F&R modules of mySAP SCM suite, then this component is neccessary.
Smilarly, SCMEMWCL is SCM Web Communication Layer for Event Management. Again this is part of mySAP SCM, but belongs to Event Management module.
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>
Hideki Kozai wrote:
> Hello all,
>
> I'm now filling the installation parameter sheet of SCM(APO) system.
> This sheet has two paraemters whose content I'm not sure of.
> That is, software units SCMRWBS and SCMEMWCL.
> What are SCMRWBS and SCMEMWCL for ?
> Do we need to install them while my project will use PP/DS and BP modules ?
> And can we see whether these usage types installed or not via SAPGUI ?
>
> I beg your help !
>
> Thank you for your cooperation in advance.
>
> Regards,

What are used and unused filters?

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