Update manual pages

doc/h2load.1

 .\" Man page generated from reStructuredText.
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-.TH "H2LOAD" "1" "Nov 23, 2018" "1.35.0" "nghttp2"
+.TH "H2LOAD" "1" "Jan 18, 2019" "1.36.0" "nghttp2"
 .SH NAME
 h2load \- HTTP/2 benchmarking tool
 .
@@ -273,6 +273,17 @@ Default: \fB4K\fP
 .UNINDENT
 .INDENT 0.0
 .TP
+.B \-\-log\-file=<PATH>
+Write per\-request information to a file as tab\-separated
+columns: start  time as  microseconds since  epoch; HTTP
+status code;  microseconds until end of  response.  More
+columns may be added later.  Rows are ordered by end\-of\-
+response  time when  using  one worker  thread, but  may
+appear slightly  out of order with  multiple threads due
+to buffering.  Status code is \-1 for failed streams.
+.UNINDENT
+.INDENT 0.0
+.TP
 .B \-v, \-\-verbose
 Output debug information.
 .UNINDENT

doc/h2load.1.rst

@@ -229,6 +229,16 @@ OPTIONS
 
     Default: ``4K``
 
+.. option:: --log-file=<PATH>
+
+    Write per-request information to a file as tab-separated
+    columns: start  time as  microseconds since  epoch; HTTP
+    status code;  microseconds until end of  response.  More
+    columns may be added later.  Rows are ordered by end-of-
+    response  time when  using  one worker  thread, but  may
+    appear slightly  out of order with  multiple threads due
+    to buffering.  Status code is -1 for failed streams.
+
 .. option:: -v, --verbose
 
     Output debug information.

doc/nghttp.1

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-.TH "NGHTTP" "1" "Nov 23, 2018" "1.35.0" "nghttp2"
+.TH "NGHTTP" "1" "Jan 18, 2019" "1.36.0" "nghttp2"
 .SH NAME
 nghttp \- HTTP/2 client
 .

doc/nghttpd.1

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-.TH "NGHTTPD" "1" "Nov 23, 2018" "1.35.0" "nghttp2"
+.TH "NGHTTPD" "1" "Jan 18, 2019" "1.36.0" "nghttp2"
 .SH NAME
 nghttpd \- HTTP/2 server
 .

doc/nghttpx.1

 .\" Man page generated from reStructuredText.
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-.TH "NGHTTPX" "1" "Nov 23, 2018" "1.35.0" "nghttp2"
+.TH "NGHTTPX" "1" "Jan 18, 2019" "1.36.0" "nghttp2"
 .SH NAME
 nghttpx \- HTTP/2 proxy
 .