Document the negative search - dossier - console collection manager
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 (DIR) README
 (DIR) LICENSE
       ---
 (DIR) commit 63b6336caa8dab28e9ade4d6fc128ed9512c2be4
 (DIR) parent 43ed14f30d8302ad4a67b65efbb8848f1d24f351
 (HTM) Author: Solene Rapenne <solene@perso.pw>
       Date:   Sat,  4 Aug 2018 16:00:28 +0200
       
       Document the negative search
       
       Diffstat:
         M README                              |       4 ++++
         M dossier.1                           |      12 +++++++++---
       
       2 files changed, 13 insertions(+), 3 deletions(-)
       ---
 (DIR) diff --git a/README b/README
       @@ -18,6 +18,10 @@ How to use dossier
            openmw:no
            $ dossier search multiplayer no
            openmw
       +    $ dossier search !multiplayer no
       +    supertux
       +    nexuiz
       +    minetest
            $ dossier search multiplayer yes rate 5
            supertux
            $ dossier supertux rate 6
 (DIR) diff --git a/dossier.1 b/dossier.1
       @@ -92,8 +92,8 @@ repository in it if possible.
        .It Nm Cm search Oo attribute Oo value Oc Oc Op attribute value
        the command
        .Cm search
       -with no argument will return the list of known attributes in the collections with the
       -number of items for which the attribute is set.
       +with no argument will return the list of known attributes in the collections
       +with the number of items for which the attribute is set.
        .Pp
        the command
        .Nm search
       @@ -108,7 +108,13 @@ with two parameters will return the list of the items having the value
        in the attribute
        .Ar attribute.
        .Pp
       -Using more arguments will return the list of the items matching all the conditions of values in attributes.
       +Using more arguments will return the list of the items matching all the
       +conditions of values in attributes.
       +.Pp
       +Adding an exclamation mark character at the start of an attribute name like
       +.Ar !attribute
       +will return results not matching
       +.Ar value.
        .It Nm Ar item-name
        shows all the attributes known for that item.
        .Pp