At firstI first formed my URL like so:
and the XMLHTTPRequest would not advance after readyState of 1
Out of whim, I changed it to
and the problem went away.
Curious, I reverted back to
And the initial stalling problem went away.
Absolutely nothing else in the code changed...
I just found this bizarre, but maybe it's meaningful to some transient bug??
Obviously, I can no longer reproduce this.
slim