Adobe changed the PDF specification several

by jancancook Thu Nov 10, 2011 11:03 pm

Adobe changed the PDF specification several times and continues to develop new specifications with new versions of Adobe Acrobat. There have been nine versions of PDF with corresponding Acrobat releases:[8]
1993 – PDF 1.0 / Acrobat 1.0
1994 – PDF 1.1 / Acrobat 2.0
1996 – PDF 1.2 / Acrobat 3.0
1999 – PDF 1.3 / Acrobat 4.0
2001 – PDF 1.4 / Acrobat 5.0
2003 – PDF 1.5 / Acrobat 6.0
2005 – PDF 1.6 / Acrobat 7.0
2006 – PDF 1.7 / Acrobat 8.0
2006 – PDF 1.7 / Acrobat 8.2
2008 – PDF 1.7, Adobe Extension Level 3 / Acrobat 9.0
2009 – PDF 1.7, Adobe Extension Level 5 / Acrobat 9.1

Myter och fakta
bay area airport transportation