Tweak magic number to fix bad behavior in Firefox, which was caused by an earlier fix to bad behavior in Chromium.

Browsers are crap.

debian/changelog

@@ -19,6 +19,8 @@ git-annex (5.20131131) UNRELEASED; urgency=low
   * import: better handling of overwriting an existing file/directory/broken
     link when importing
   * Windows: assistant and webapp work! (very experimental)
+  * Fix bad behavior in Firefox, which was caused by an earlier fix to
+    bad behavior in Chromium.
 
  -- Joey Hess <joeyh@debian.org>  Sun, 01 Dec 2013 13:57:58 -0400
 

doc/bugs/links_in_firefox_do_not_always_work.mdwn

@@ -18,3 +18,9 @@ Ubuntu 13.04, firefox 25.0.1
 
 
 --Walter
+
+> [[fixed|done]]; increased number of longpolling failures allowed before
+> it enters the chromium back button bugfix workaround to 12.
+> Should be more than enough for 3 or 4 long polling elements on a page.
+> (Considered only running the chromium bugfix on chromium, but I don't
+> want to get into browser detection hacks.) --[[Joey]]

doc/todo/windows_support.mdwn

@@ -18,10 +18,5 @@ now! --[[Joey]]
   repo creation, autostart, restarting, etc, as --force is not propigated.)
 * `git annex assistant` has not been tested, is probably quite incomplete.
   Is known to not download any files. (transferrer doesn't built yet)
-* webapp: Odd problem when using Firefox: Some links don't seem to load.
-  Clicking on such a link repeatedly will eventually load the right page.
-  Network console shows web browser is requesting page "/"
-  despite a link to another page being clicked on. Workaround: Use Chrome
-  instead; no such problem there.
 * No XMPP support (needs a lot of C libraries which are available in
   cygwin, but pkg-config does not list them once installed).

static/longpolling.js

@@ -16,7 +16,11 @@ function longpoll_div(url, divid, cont, fail) {
 		},
 		'error': function(jqxhr, msg, e) {
 			connfails=connfails+1;
-			if (connfails > 3) {
+			// It's normal to get 1 failure per longpolling
+			// element when navigating away from a page.
+			// So 12 allows up to 4 longpolling elements per
+			// page.
+			if (connfails > 12) {
 				fail();
 			}
 			else {