own main function defined in C test

Hi,

I found a C test that defines an own main function, as opposed to
subversion/tests/README. It takes a "list of entries to be compared" as
argument. There is no comment about why this would be ok.

Should I open an issue for this? (there appears to be none)

subversion/tests/libsvn_subr/target-test.c

/*
 * target-test.c -- test the target condensing function
[...]
 */

#define APR_WANT_STDIO
#include <apr_want.h>
#include <apr_general.h>

#include "svn_cmdline.h"
#include "svn_pools.h"
#include "svn_path.h"
#include "svn_utf.h"
#include "svn_error.h"

int main(int argc, char **argv)
{
  apr_pool_t *pool;
  svn_error_t *err;
  apr_array_header_t *targets;
  apr_array_header_t *condensed_targets;
  const char *common_path = 0;
  const char *common_path2 = 0;
  int i;

  if (argc < 2) {
    fprintf(stderr, "USAGE: %s <list of entries to be compared>\n",
argv[0]);
    return EXIT_FAILURE;
  }

  /* Initialize the app. */
  if (svn_cmdline_init("target-test", stderr) != EXIT_SUCCESS)
    return EXIT_FAILURE;
[...]

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