0f82da7969da1610cbaa96808797f4458c2d13a6
max
  Tue Sep 5 07:27:44 2023 -0700
switching to LC_ALL in usage help, refs #20910

diff --git src/utils/bedToBigBed/bedToBigBed.c src/utils/bedToBigBed/bedToBigBed.c
index ad31ff1..1013687 100644
--- src/utils/bedToBigBed/bedToBigBed.c
+++ src/utils/bedToBigBed/bedToBigBed.c
@@ -67,32 +67,32 @@
   "\n"
   "The chrom.sizes file may also be a chromAlias bigBed file, or a URL to\n"
   "such a file, by specifying the -sizesIsChromAliasBb option.  When using\n"
   "a chromAlias bigBed file, the input BED file may have chromosome names\n"
   "matching any of the sequence name aliases in the chromAlias file.\n"
   "\n"
   "For UCSC provided genomes, the chromAlias files can be found under:\n"
   "    https://hgdownload.soe.ucsc.edu/goldenPath/<db>/bigZips/<db>.chromAlias.bb\n"
   "For UCSC GenArk assembly hubs, the chrom aliases are namedd in the form:\n"
   "    https://hgdownload.soe.ucsc.edu/hubs/GCF/006/542/625/GCF_006542625.1/GCF_006542625.1.chromAlias.bb\n"
   "For a description of generating chromAlias files for your own assembly hub, see:\n"
   "      http://genomewiki.ucsc.edu/index.php/Chrom_Alias\n"
   "\n"
   "The in.bed file must be sorted by chromosome,start,\n"
   "  to sort a bed file, use the unix sort command:\n"
-  "     sort -k1,1 -k2,2n unsorted.bed > sorted.bed\n"
-  "Sorting must be set to skip Unicode mapping (LC_COLLATE=C).\n"
+  "     LC_ALL=C sort -k1,1 -k2,2n unsorted.bed > sorted.bed\n"
+  "Sorting must be set to skip Unicode mapping to make it case-sensitive (LC_ALL=C).\n"
   "\n"
   "options:\n"
   "   -type=bedN[+[P]] : \n"
   "                      N is between 3 and 15, \n"
   "                      optional (+) if extra \"bedPlus\" fields, \n"
   "                      optional P specifies the number of extra fields. Not required, but preferred.\n"
   "                      Examples: -type=bed6 or -type=bed6+ or -type=bed6+3 \n"
   "                      (see http://genome.ucsc.edu/FAQ/FAQformat.html#format1)\n"
   "   -as=fields.as - If you have non-standard \"bedPlus\" fields, it's great to put a definition\n"
   "                   of each field in a row in AutoSql format here.\n"
   "   -blockSize=N - Number of items to bundle in r-tree.  Default %d\n"
   "   -itemsPerSlot=N - Number of data points bundled at lowest level. Default %d\n"
   "   -unc - If set, do not use compression.\n"
   "   -tab - If set, expect fields to be tab separated, normally\n"
   "           expects white space separator.\n"