0f718dba4d7acdde1a78c10e18d120cb49f54b96
max
  Mon Feb 21 02:42:22 2022 -0800
adding coord system note to hgTables, refs #28949

diff --git src/hg/hgTables/usage.c src/hg/hgTables/usage.c
index f47d745..76b46a4 100644
--- src/hg/hgTables/usage.c
+++ src/hg/hgTables/usage.c
@@ -128,30 +128,33 @@
 "        Output sequence can be in either nucleotide-space or translated to \n"
 "        protein-space. Available only for genePred tracks.</LI>\n"
 "        \n"
 "        <LI><em><B>custom track</B></em> -  customized Genome Browser annotation  \n"
 "        track based on the results of the query.</LI>\n"
 "        \n"
 "        <LI><em><B>hyperlinks to Genome Browser</B></em> -  returns a page full of\n"
 "        hyperlinks to the UCSC Genome Browser, one for each item in the table.</LI>\n"
 "        \n"
 "        <LI><em><B>data points</B></em> -  the data points that make up a graph \n"
 "	 (aka wiggle) track.</LI>\n"
 "        \n"
 "        <LI><em><B>MAF</B></em> - multiple alignments in MAF format</LI>\n"
 "        \n"
 "        </UL>\n"
+"        Note that all start-end coordinate ranges are returned in UCSC's internal zero-based-half-open format, see our "
+"        <a href='https://genome.ucsc.edu/FAQ/FAQtracks.html#tracks1'>FAQ</a>, with the exception of the formats GTF and hyperlinks, "
+"        which are one-based-closed."
 "        </LI>\n"
 "        \n"
 "        <LI><B>Send output to Galaxy:</B> displays results of query in \n"
 "        <A HREF=\""GALAXY_URL_BASE"\">Galaxy</A>, a framework for \n"
 "        interactive genome analysis.\n"
 "        <LI><B>Send output to GREAT:</B> displays the functional enrichments of the \n"
 "        query results in <A HREF=\"http://great.stanford.edu\">GREAT</A>, a tool for\n"
 "        analysis of the biological function of cis-regulatory regions.\n"
 "%s"
 "        <LI><B>file type returned: </B>When a filename is entered in the \n"
 "	 &quot;output file&quot; text box, specifies the format of the output file:\n"
 "        <UL>\n"
 "        <LI><em><B>plain text</B></em> - data is in ASCII format\n"
 "        \n"
 "        <LI><em><B>gzip compressed</B></em> - data is compressed in gzip format\n"