Remove, already in back branches:

Remove, already in back branches:

<
< 	o Add new version of PQescapeString() that doesn't double backslashes
< 	  that are part of a client-only multibyte sequence
<
< 	  Single-quote is not a valid byte in any supported client-only
< 	  encoding.  This requires using mblen() to determine if the
< 	  backslash is inside or outside a multi-byte sequence.
<
< 	o Add new version of PQescapeString() that doesn't double
< 	  backslashes when standard_conforming_strings is true and
< 	  non-E strings are used