remove whitespaces

Change-Id: I7937b154d0417876634711224ed5678eefa2654d
fix OOXML validation error, related fdo#42698

Missing percentage sign in type. The values of XML_d and XML_sp seem
insane.

Change-Id: If6762ed70d3536c0eeea3ee687991dad60f5e71e
fix OOXML validation error, related fdo#36731

Missing elements for gradient fill background export.

Change-Id: Ib3ed3b5e353d3b02dffa5c118e14fd2187bd924a
remove one more debug output

Change-Id: Ib4b94d2a7e429721299fd07db4bd7a97c7773c0d
fix OOXML validaition error

Change-Id: I26e063cd1971d980583e884ca2f4e0ba9d9391ad
fix OOXML validation error

Change-Id: Ib87eadad99285e19d73f4de58690de501084293c