* gfortran.texi (Introduction): Lower "Part I:

Introduction" to a chapter, renumber Parts II and III to
Parts I and II.
* intrinsic.texi (Introduction): Rename to "Introduction
to Intrinsics" to avoid conflict with the new chapter.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120427 138bc75d-0d04-0410-961f-82ee72b054a4