User's Manual

114

websiteforupdatedinformation.Notethatwedonotoerdirect

supportforthedistribution.

GNU GENERAL PUBLIC LICENSE

Version 2, June 1991

59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Everyoneispermittedtocopyanddistributeverbatimcopiesof

this license document, but changing it is not allowed.

Preamble

Thelicensesformostsoftwarearedesignedtotakeawayyour

freedomtoshareandchangeit.Bycontrast,theGNUGeneral

PublicLicenseisintendedtoguaranteeyourfreedomtoshare

andchangefreesoftware--tomakesurethesoftwareisfreeforall

itsusers.ThisGeneralPublicLicenseappliestomostoftheFree

SoftwareFoundation’ssoftwareandtoanyotherprogramwhose

authorscommittousingit.(SomeotherFreeSoftwareFoundation

softwareiscoveredbytheGNULibraryGeneralPublicLicense

instead.) You can apply it to your programs, too.

Whenwespeakoffreesoftware,wearereferringtofreedom,not

price. Our General Public Licenses are designed to make sure that

youhavethefreedomtodistributecopiesoffreesoftware(and

chargeforthisserviceifyouwish),thatyoureceivesourcecodeor

cangetitifyouwantit,thatyoucanchangethesoftwareoruse

piecesofitinnewfreeprograms;andthatyouknowyoucando

these things.

Toprotectyourrights,weneedtomakerestrictionsthatforbid

anyone to deny you these rights or to ask you to surrender the

rights.Theserestrictionstranslatetocertainresponsibilitiesfor