include/mysqld_error.h:
  add error for corrupt help db
scripts/Makefile.am:
  add script for fill help db
scripts/mysql_install_db.sh:
  modify for add help db
sql/Makefile.am:
  modify for add sql_help.cc
sql/lex.h:
  add help command
sql/mysql_priv.h:
  add mysqld_help function declaration
sql/share/czech/errmsg.txt:
  add message for help-db error
sql/share/danish/errmsg.txt:
  add message for help-db error
sql/share/dutch/errmsg.txt:
  add message for help-db error
sql/share/english/errmsg.txt:
  add message for help-db error
sql/share/estonian/errmsg.txt:
  add message for help-db error
sql/share/french/errmsg.txt:
  add message for help-db error
sql/share/german/errmsg.txt:
  add message for help-db error
sql/share/greek/errmsg.txt:
  add message for help-db error
sql/share/hungarian/errmsg.txt:
  add message for help-db error
sql/share/italian/errmsg.txt:
  add message for help-db error
sql/share/japanese/errmsg.txt:
  add message for help-db error
sql/share/korean/errmsg.txt:
  add message for help-db error
sql/share/norwegian-ny/errmsg.txt:
  add message for help-db error
sql/share/norwegian/errmsg.txt:
  add message for help-db error
sql/share/polish/errmsg.txt:
  add message for help-db error
sql/share/portuguese/errmsg.txt:
  add message for help-db error
sql/share/romanian/errmsg.txt:
  add message for help-db error
sql/share/russian/errmsg.txt:
  add message for help-db error
sql/share/serbian/errmsg.txt:
  add message for help-db error
sql/share/slovak/errmsg.txt:
  add message for help-db error
sql/share/spanish/errmsg.txt:
  add message for help-db error
sql/share/swedish/errmsg.txt:
  add message for help-db error
sql/share/ukrainian/errmsg.txt:
  add message for help-db error
sql/sql_lex.h:
  add SQLCOM_END 
  and help_arg in Lex
sql/sql_parse.cc:
  add SQLCOM_HELP handler
sql/sql_yacc.yy:
  add help command