Add project files.

3rd-party/curl-7.52.1/docs/cmdline-opts/trace-ascii.d

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+Long: trace-ascii
+Arg: <file>
+Help: Like --trace, but without hex output
+Mutexed: trace verbose
+---
+Enables a full trace dump of all incoming and outgoing data, including
+descriptive information, to the given output file. Use "-" as filename to have
+the output sent to stdout.
+
+This is very similar to --trace, but leaves out the hex part and only shows
+the ASCII part of the dump. It makes smaller output that might be easier to
+read for untrained humans.
+
+If this option is used several times, the last one will be used.