Composed strings

A composed string, such as used in a composite field, an output file specification or a PDF password can contain embedded field names enclosed in curly brackets e.g. Dear {name}. The value of the field is substituted at the time of invoking the string e.g. when constructing an output file name. As well as the user-defined fields there are certain special ones:

_{	An opening curly bracket.
_}	A closing curly bracket.
_bates	The bates page number as defined in the Configuration\|Layout dialogue.
_bin	The current output bin number.
_ext or _iext	The original (input) file extension (including dot).
_name or _iname	The file name stem of the original (input) file.
_id	Unique numeric ID; used to construct the default output file name: {_title}{id}
_oext	The output file extension (including dot).
_oname	The file name stem of the output file.
_opath	The full path of the output file.
_orient	The orientation of the page.
_page	The current page number.
_paper	The name of the paper used for the page e.g. LETTER
_path or _ipath	The full path of the original (input) file.
_sheets	The number of pieces of paper that have been output.
_title	The job title; used to construct the default output file name: {_title}{_id}
_tray	The current input tray number.
_cr	Carriage return (character 13 decimal, 0D hex).
_lf	Line feed (character 10 decimal, 0D hex).
_crlf	Carriage return & line feed (0D0A hex).