61878cb225c4fafa3ba2d38af16330fbb57377ed
angie
  Mon Jun 13 09:52:59 2016 -0700
Basic documentation of tableBrowser noGenome support in TB and DI.  refs #4458

diff --git src/hg/hgTables/usage.c src/hg/hgTables/usage.c
index a00e625..b4deb6d 100644
--- src/hg/hgTables/usage.c
+++ src/hg/hgTables/usage.c
@@ -38,42 +38,47 @@
 "        \n"
 "        <LI><B>assembly: </B>Specifies which version of the organism's genome\n"
 "        sequence to use.</LI>\n"
 "        \n"
 "        <LI><B>group: </B>Selects the type of tracks to be displayed in \n"
 "        the <em>track</em> list. The options correspond to the track groupings\n"
 "        shown in the Genome Browser. Select 'All Tracks' for an alphabetical list\n"
 "        of all available tracks in all groups.  Select 'All Tables' to see all tables\n"
 "        including those not associated with a track.</LI>\n"
 "        \n"
 "        <LI><B>database: </B> (with &quot;All Tables&quot; group option) Determines \n"
 "	 which database should be used for options in table menu.</LI>\n"
 "        \n"
 "        <LI><B>track: </B>Selects the annotation track data to work with. This \n"
 "        list displays all tracks belonging to the group specified in the \n"
-"        <em>group</em> list. </LI>\n"
+"        <em>group</em> list. \n"
+"        Some tracks are not available when the region is set to <em>genome</em> \n"
+"        due to the data provider's restrictions on sharing. </LI>\n"
 "        \n"
 "        <LI><B>table: </B>Selects the SQL table data to use. This list shows \n"
 "        all tables associated with the track specified in the <em>track</em> \n"
-"        list.</LI>\n"
+"        list. \n"
+"        Some tables may be unavailable due to the data provider's restrictions on sharing.</LI>\n"
 "        \n"
 "        <LI><B>describe table schema: </B>Displays schema information for the \n"
 "        tables associated with the selected track.</LI>\n"
 "        \n"
 "        <LI><B>region: </B>Restricts the query to a\n"
-"        particular chromosome or region. Select <em>genome</em> to apply the \n"
-"        query to the entire genome or <em>ENCODE</em> to examine only the \n"
+"        particular chromosome or region.\n"
+"        Select <em>genome</em> to apply the query to the entire genome \n"
+"        (not available for certain tracks with restrictions on data sharing).\n"
+"        In some Human assemblies, you may select <em>ENCODE</em> to examine only the \n"
 "        ENCODE Pilot regions.\n"
 "        To limit the query to a specific position, type a \n"
 "        chromosome name, e.g. <em>chrX</em>, or a chromosome coordinate \n"
 "        range, such as chrX:100000-200000, or a gene name or other id in \n"
 "        the text box.\n"
 "        You can select multiple genomic regions by clicking the &quot;define regions&quot; \n"
 "        button and entering up to 1,000 regions in a 3- or 4-field <a \n"
 "		 href=\"../FAQ/FAQformat.html#format1\">BED</a> file \n"
 "		 format.</LI>\n"
 "        \n"
 "        <LI><B>lookup:</B> Press this button after typing in a gene name or \n"
 "        other id in the position text box to look up the chromosome position\n"
 "        \n"
 "        <LI><B>identifiers</B> (selected tracks only)<B>: </B>Restricts the \n"
 "        output to table data that match a list of identifiers, for\n"