Add comments. Fix README.

README.md

@@ -17,14 +17,16 @@ this repository.
 
 ## Example
 
-I am going to try to ebed an iFrame in the readme.
+I tried to try to ebed an iFrame in the readme.
 
 <iframe frameborder="0" height="300" scrolling="no" src="https://qth.nq4t.com/hotspots.php" width="320"></iframe>
 
-If this doesn't work you can visit:
+But it doesn't work. But you can visit:
 
 https://qth.nq4t.com/hotspots.php
 
+In the meantime I will beat the source code to until the iframe works.
+
 The direct version will be "full-screen". Just remember this was designed for
 iframes.
 
@@ -44,9 +46,10 @@ server get results via SSH is another possiblity. I'll script this when I get a
 chance. 
 
 You will need to load hotspot.sh and edit the hostname information. You will 
-also need to configure if you're using D-Star or DMR. Other modes may work with
-the DMR setting, like YSF. DMR scrapes the bm_links.php while Dstar scrapes 
-repeaterinfo.php's "Linked To" box.
+also need to configure if you're using D-Star or DMR. DMR scrapes the
+bm_links.php while Dstar scrapes repeaterinfo.php's "Linked To" box. It
+currently looks specifically for D-Star prefixes. If you're using YSF then you
+need to modify the script or wait for me to support it. 
 
 Place hotspots.php in a document root and edit it to match where you put your
 shell script. Simply loading hotspots.php is all you need to do.

hotspots.sh

@@ -18,6 +18,7 @@ dmr=$(curl -s http://$pidmr/mmdvmhost/bm_links.php| sed 's/<[^>]\+>/\n/g' | grep
 # do the same for dstar with repeaterinfo.php but just egrep for reflector prefix, strip HTML, keep the first 8 characters
 # check to see if we need to display not linked
 # if you are not using D-Star, comment these next two lines out. if you don't, the script will take longer to run.
+# If you modify what egrep looks for, you may get other modes to work.
 
 #dstar=$(curl -s http://$pidstar/mmdvmhost/repeaterinfo.php | egrep "REF|XRF|DCS|XLX" | sed 's/<[^>]\+>//g' | cut -b 1-8)
 #[ -z "$dstar" ] && dstar="Not Linked"
@@ -25,8 +26,8 @@ dmr=$(curl -s http://$pidmr/mmdvmhost/bm_links.php| sed 's/<[^>]\+>/\n/g' | grep
 # HTML for table cells on hotspot.php page. These are all one line even if they look like two in your editor.
 
 # This is for a 2x2 table using DMR and D-Star
-
 #printf "<tr><td style=\"vertical-align: top; font-family: Verdana; font-weight: bold; text-align: right;\" width=\"20%%\"><small>BM TG:</small></td>\n<td style=\"vertical-align: top;\"><small>$dmr</small><br></td></tr>\n<tr><td style=\"vertical-align: top; font-family: Verdana; font-weight: bold; text-align: right;\" width=\"20%%\"><small>D-Star:</small></td>\n<td style=\"vertical-align: top;\"><small>$dstar</small><br></td></tr>\n"
+
 # This is for a DMR only display.
 printf "<tr><td style=\"vertical-align: top; font-family: Verdana; font-weight: bold; text-align: right;\"><small>BM TG:</small></td>\n<td style=\"vertical-align: top;\"><small style=\"font-style: italic;\">$dmr</small><br></td></tr>\n"