The threee tags `<name>`, `</name>` and `<command>` were frequently used
with a leading space that this removes. The reason this habbit is so
widespread in testcases is probably that they have been copy and pasted.
Hence, fixing them all now might curb this practice from now on.
Closes#12028
When the "reason phrase" in the HTTP status line starts with a digit,
that was treated as the forth response code digit and curl would claim
the response to be non-compliant.
Added test 1466 to verify this case.
Regression brought by 5dc594e44f
Reported-by: Glenn de boer
Fixes#7738Closes#7739