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The FUNCTION TRIM now works properly with UTF16 inputs. According to the ISO specification, the return type of a number of intrinsic functions is defined by the variable type of their first parameter. A number of changes here cause more functions to honor that requirement. gcc/cobol/ChangeLog: * parse.y: BASECONVERT and TRIM take their type from their first parameter. * parse_util.h (intrinsic_return_field): The function_descrs[] is adjusted so that a number of functions take their return type from their first calling parameter. intrinsic_return_field() has been refined. * symbols.cc (new_alphanumeric): Use set_explicit() instead of set() in support of refined intrinsic function return type. libgcobol/ChangeLog: * intrinsic.cc (__gg__trim): Rewritten to work properly, and avoid unnecessary variable codeset encoding translation.
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