question: removes the postfix from the buffer . this only works correctly when the last call was to the appendpostfix function . concode_field_sep String preprefix concode_elem_sep String prefix concode_elem_sep int savePoint concode_elem_sep String postfix concode_elem_sep char[] buffer concode_elem_sep int used concode_elem_sep int indented concode_field_sep int getIndentLevel concode_elem_sep String getPostfix concode_elem_sep StringWriter indent concode_elem_sep StringWriter appendPostfix concode_elem_sep void setPrePrefix concode_elem_sep int hashCode concode_elem_sep StringWriter appendLine concode_elem_sep StringWriter outdent concode_elem_sep StringWriter appendPrePrefix concode_elem_sep void setPostfix concode_elem_sep String getPrefix concode_elem_sep StringWriter appendPrefix concode_elem_sep void clear concode_elem_sep int length concode_elem_sep String getPrePrefix concode_elem_sep void revertToSavePoint concode_elem_sep void expand concode_elem_sep void setLength concode_elem_sep void setSavePoint concode_elem_sep void setPrefix concode_elem_sep boolean equals concode_elem_sep StringWriter appendIf concode_elem_sep String toString concode_elem_sep StringWriter append concode_elem_sep char charAt
target: StringWriter function ( ) { used -= postfix . length ( ) ; return this ; }