Log Message:
Changes 1.8.3:

 User-visible changes:
  - Client- and server-side bugfixes:
    * translation updates for Swedish
    * enforce strict version equality between tools and libraries (r1502267)
    * consistently output revisions as "r%ld" in error messags \ 
(r1499044 et al)

  - Client-side bugfixes:
    * status: always use absolute paths in XML output (issue 4398)
    * ra_serf: 'svn log -v' fails with a 1.2.x server (issue 4044)
    * ra_serf: fix crash when committing cp with deep deletion (issue 4400)
    * diff: issue an error for files that can't fit in memory (r1513119 et al)
    * svnmucc: generate proper error for mismatched URLs (r1511353)
    * update: fix a crash when a temp file doesn't exist (r1513156)
    * commit & update: improve sleep for timestamps performance (r1508438)
    * diff: continue on missing or obstructing files (issue 4396)
    * ra_serf: use runtime serf version for User-Agent (r1514315, r1514628)
    * ra_serf: ignore case when checking certificate common names (r1514763)
    * ra_serf: format distinguished names properly (r1514804)
    * ra_serf: do not retry HTTP requests if we started to parse them (r1503318)
    * ra_serf: output ssl cert verification failure reason (r1514785 et al)
    * ra_serf: allow session reuse after SVN_ERR_CEASE_INVOCATION (r1502901)
    * ra_serf: include library version in '--version' output (r1514295 et al)
    * info: fix spurious error on wc root with child in conflict (r1515366)

  - Server-side bugfixes:
    * svnserve: fix creation of pid files (r1516556)
    * svnadmin: fix output encoding in non-UTF8 environments (r1506966)
    * svnsync: fix high memory usage when running over ra_serf (r1515249 et al)
    * mod_dav_svn: do not map requests to filesystem (r1512432 et al)
    * svnauthz: improve help strings (r1511272)
    * fsfs: fixed manifest file growth with revprop changes (r1513874)
    * fsfs: fix packed revprops causing loss of revprops (r1513879 et al)

  - Other tool improvements and bugfixes:
    * svnwcsub/irkerbridge: fix symlink attack via pid file (r175 from upstream)

 Developer-visible changes:
  - General:
    * describe APR unimplemented errors as coming from APR (r1503010 et al)
    * mod_dav_svn: update INSTALL to reflect configure defaults (r1515141)
    * davautocheck: use the correct apxs binary by default (r1507889, r1507891)

  - API changes:
    * svn_config_walk_auth_data() config_dir arg: permit NULL (r1507382 et al)

  - Bindings:
    * swig-pl: fix SVN::Client not honoring config file settings (r150744)
    * swig-pl & swig-py: disable unusable svn_fs_set_warning_func (r1515119)