Include the Section and Priority fields for this package from the main source control file in the binary package control file being generated. Usu- ally this information is not included here, but only in the .changes file. Usually dpkg-genchanges will produce informative messages on standard error, for example about how many of the package's source files are being uploaded. Do not PGP-sign the source package or the changelog, respectively. It takes three non-option arguments, the filename and the section and priority for the .changes file.
Variable names consist of alphanumerics, hyphens and colons and start with an alphanumeric.
The total size of the package's installed files. Extra-Size Additional disk space used when the package is installed. Setting these variables has no effect other than on places where they are expanded explicitly. The .changes file format version generated by this version of the source packaging scripts. If you set this variable the contents of the Format field in the .changes file will change too.