missing SQL BEGIN in example ECPG Program Accessing Large Objects

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Page: https://www.postgresql.org/docs/9.5/static/ecpg-lo.html
Description:

Example 33-2. ECPG Program Accessing Large Objects

after 
   EXEC SQL CONNECT ....

missing (at least for 9.4.8)
   EXEC SQL BEGIN;

before first 
   lo_create(...