single-user vs standalone in docs and messages

diff --git a/doc/src/sgml/maintenance.sgml b/doc/src/sgml/maintenance.sgml
new file mode 100644
index c05b526..f77ade7
*** a/doc/src/sgml/maintenance.sgml
--- b/doc/src/sgml/maintenance.sgml
*************** HINT:  To avoid a database shutdown, exe
*** 581,587 ****
  
  <programlisting>
  ERROR:  database is not accepting commands to avoid wraparound data loss in database "mydb"
! HINT:  Stop the postmaster and use a standalone backend to VACUUM in "mydb".
  </programlisting>
  
      The 1-million-transaction safety margin exists to let the
--- 581,587 ----
  
  <programlisting>
  ERROR:  database is not accepting commands to avoid wraparound data loss in database "mydb"
! HINT:  Stop the postmaster and use a single-user backend to VACUUM in "mydb".
  </programlisting>
  
      The 1-million-transaction safety margin exists to let the
diff --git a/src/backend/access/transam/varsup.c b/src/backend/access/transam/varsup.c
new file mode 100644
index 0579c84..a3c1196
*** a/src/backend/access/transam/varsup.c
--- b/src/backend/access/transam/varsup.c
*************** GetNewTransactionId(bool isSubXact)
*** 114,127 ****
  						(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
  						 errmsg("database is not accepting commands to avoid wraparound data loss in database \"%s\"",
  								oldest_datname),
! 						 errhint("Stop the postmaster and use a standalone backend to vacuum that database.\n"
  								 "You might also need to commit or roll back old prepared transactions.")));
  			else
  				ereport(ERROR,
  						(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
  						 errmsg("database is not accepting commands to avoid wraparound data loss in database with OID %u",
  								oldest_datoid),
! 						 errhint("Stop the postmaster and use a standalone backend to vacuum that database.\n"
  								 "You might also need to commit or roll back old prepared transactions.")));
  		}
  		else if (TransactionIdFollowsOrEquals(xid, xidWarnLimit))
--- 114,127 ----
  						(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
  						 errmsg("database is not accepting commands to avoid wraparound data loss in database \"%s\"",
  								oldest_datname),
! 						 errhint("Stop the postmaster and use a single-user backend to vacuum that database.\n"
  								 "You might also need to commit or roll back old prepared transactions.")));
  			else
  				ereport(ERROR,
  						(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
  						 errmsg("database is not accepting commands to avoid wraparound data loss in database with OID %u",
  								oldest_datoid),
! 						 errhint("Stop the postmaster and use a single-user backend to vacuum that database.\n"
  								 "You might also need to commit or roll back old prepared transactions.")));
  		}
  		else if (TransactionIdFollowsOrEquals(xid, xidWarnLimit))
diff --git a/src/backend/po/de.po b/src/backend/po/de.po
new file mode 100644
index 3666920..ac35baf
*** a/src/backend/po/de.po
--- b/src/backend/po/de.po
*************** msgstr "Datenbank nimmt keine Befehle an
*** 855,861 ****
  #: access/transam/varsup.c:117 access/transam/varsup.c:124
  #, c-format
  msgid ""
! "Stop the postmaster and use a standalone backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "Halten Sie den Postmaster an und verwenden Sie ein Standalone-Backend, um VACUUM in dieser Datenbank auszuf��hren.\n"
--- 855,861 ----
  #: access/transam/varsup.c:117 access/transam/varsup.c:124
  #, c-format
  msgid ""
! "Stop the postmaster and use a single-user backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "Halten Sie den Postmaster an und verwenden Sie ein Standalone-Backend, um VACUUM in dieser Datenbank auszuf��hren.\n"
diff --git a/src/backend/po/es.po b/src/backend/po/es.po
new file mode 100644
index 7a47ed2..129cb82
*** a/src/backend/po/es.po
--- b/src/backend/po/es.po
*************** msgstr "la base de datos no est�� acepta
*** 714,723 ****
  #: access/transam/varsup.c:115 access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a standalone backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
! "Detenga el proceso postmaster y utilice una conexi��n aislada (standalone) para limpiar (vacuum) esa base de datos.\n"
  "Puede que adem��s necesite comprometer o abortar transacciones preparadas antiguas."
  
  #: access/transam/varsup.c:120
--- 714,723 ----
  #: access/transam/varsup.c:115 access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a single-user backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
! "Detenga el proceso postmaster y utilice una conexi��n aislada (single-user) para limpiar (vacuum) esa base de datos.\n"
  "Puede que adem��s necesite comprometer o abortar transacciones preparadas antiguas."
  
  #: access/transam/varsup.c:120
diff --git a/src/backend/po/fr.po b/src/backend/po/fr.po
new file mode 100644
index 3920c0f..fa44932
*** a/src/backend/po/fr.po
--- b/src/backend/po/fr.po
*************** msgstr ""
*** 763,769 ****
  #: access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a standalone backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "Arr�tez le postmaster et utilisez un moteur autonome pour ex�cuter VACUUM\n"
--- 763,769 ----
  #: access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a single-user backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "Arr�tez le postmaster et utilisez un moteur autonome pour ex�cuter VACUUM\n"
diff --git a/src/backend/po/it.po b/src/backend/po/it.po
new file mode 100644
index 6f3b982..a8784f5
*** a/src/backend/po/it.po
--- b/src/backend/po/it.po
*************** msgstr "il database non accetta comandi 
*** 855,861 ****
  #: access/transam/varsup.c:117 access/transam/varsup.c:124
  #, c-format
  msgid ""
! "Stop the postmaster and use a standalone backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "Arresta il processo postmaster ed utilizza un backend autonomo per effettuare il VACUUM sul database.\n"
--- 855,861 ----
  #: access/transam/varsup.c:117 access/transam/varsup.c:124
  #, c-format
  msgid ""
! "Stop the postmaster and use a single-user backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "Arresta il processo postmaster ed utilizza un backend autonomo per effettuare il VACUUM sul database.\n"
diff --git a/src/backend/po/ja.po b/src/backend/po/ja.po
new file mode 100644
index 64908a2..5670109
*** a/src/backend/po/ja.po
--- b/src/backend/po/ja.po
*************** msgstr "������������������\"%s\"��������
*** 664,670 ****
  #: access/transam/varsup.c:115 access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a standalone backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "postmaster ���������������������������������������������������������������������������������������������������������������������������������\n"
--- 664,670 ----
  #: access/transam/varsup.c:115 access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a single-user backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "postmaster ���������������������������������������������������������������������������������������������������������������������������������\n"
diff --git a/src/backend/po/pl.po b/src/backend/po/pl.po
new file mode 100644
index f67420e..3ce4ee9
*** a/src/backend/po/pl.po
--- b/src/backend/po/pl.po
*************** msgstr "baza danych nie przyjmuje polece
*** 663,669 ****
  #: access/transam/varsup.c:115 access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a standalone backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "Zatrzymaj postmastera i u��yj autonomicznego backendu do odkurzenia tej bazy danych.\n"
--- 663,669 ----
  #: access/transam/varsup.c:115 access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a single-user backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "Zatrzymaj postmastera i u��yj autonomicznego backendu do odkurzenia tej bazy danych.\n"
diff --git a/src/backend/po/pt_BR.po b/src/backend/po/pt_BR.po
new file mode 100644
index 0065aac..4af4c0e
*** a/src/backend/po/pt_BR.po
--- b/src/backend/po/pt_BR.po
*************** msgstr "banco de dados n��o est�� aceita
*** 664,670 ****
  #: access/transam/varsup.c:115 access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a standalone backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "Pare o postmaster e use um servidor aut��nomo para limpar aquele banco de dados.\n"
--- 664,670 ----
  #: access/transam/varsup.c:115 access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a single-user backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "Pare o postmaster e use um servidor aut��nomo para limpar aquele banco de dados.\n"
diff --git a/src/backend/po/ru.po b/src/backend/po/ru.po
new file mode 100644
index 9c24e5c..f42a820
*** a/src/backend/po/ru.po
--- b/src/backend/po/ru.po
*************** msgstr ""
*** 923,929 ****
  #: access/transam/varsup.c:117 access/transam/varsup.c:124
  #, c-format
  msgid ""
! "Stop the postmaster and use a standalone backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "�������������������� ���������������������� �������������� (postmaster) �� ������������������ �������������� (VACUUM) "
--- 923,929 ----
  #: access/transam/varsup.c:117 access/transam/varsup.c:124
  #, c-format
  msgid ""
! "Stop the postmaster and use a single-user backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "�������������������� ���������������������� �������������� (postmaster) �� ������������������ �������������� (VACUUM) "
diff --git a/src/backend/po/tr.po b/src/backend/po/tr.po
new file mode 100644
index 2e65073..428abf6
*** a/src/backend/po/tr.po
--- b/src/backend/po/tr.po
*************** msgstr "\"%s\" veritaban�� wraparound ve
*** 1280,1286 ****
  #: access/transam/varsup.c:89
  #, fuzzy, c-format
  msgid ""
! "Stop the postmaster and use a standalone backend to vacuum database \"%s\".\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr "postmaster s��recini kapat��n ve \"%s\" veritaban��na VACUUM uygulamak i��in ba����ms��z backend kullan��n."
  
--- 1280,1286 ----
  #: access/transam/varsup.c:89
  #, fuzzy, c-format
  msgid ""
! "Stop the postmaster and use a single-user backend to vacuum database \"%s\".\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr "postmaster s��recini kapat��n ve \"%s\" veritaban��na VACUUM uygulamak i��in ba����ms��z backend kullan��n."
  
diff --git a/src/backend/po/zh_CN.po b/src/backend/po/zh_CN.po
new file mode 100644
index 76316d4..b290c3d
*** a/src/backend/po/zh_CN.po
--- b/src/backend/po/zh_CN.po
*************** msgstr "��������������������������������
*** 682,688 ****
  #: access/transam/varsup.c:115 access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a standalone backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "������postmaster������������������������������������������������������������.\n"
--- 682,688 ----
  #: access/transam/varsup.c:115 access/transam/varsup.c:122
  #, c-format
  msgid ""
! "Stop the postmaster and use a single-user backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "������postmaster������������������������������������������������������������.\n"
diff --git a/src/backend/po/zh_TW.po b/src/backend/po/zh_TW.po
new file mode 100644
index e877043..b0d52dd
*** a/src/backend/po/zh_TW.po
--- b/src/backend/po/zh_TW.po
*************** msgstr "��������������������������������
*** 915,921 ****
  #: access/transam/varsup.c:116
  #: access/transam/varsup.c:123
  msgid ""
! "Stop the postmaster and use a standalone backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "������ postmaster ��������������������� vacuum ������������\n"
--- 915,921 ----
  #: access/transam/varsup.c:116
  #: access/transam/varsup.c:123
  msgid ""
! "Stop the postmaster and use a single-user backend to vacuum that database.\n"
  "You might also need to commit or roll back old prepared transactions."
  msgstr ""
  "������ postmaster ��������������������� vacuum ������������\n"