* gdb.texinfo (Python API): Mention Python help and keyword
	arguments.  Move pagination text to Basic Python.
	(Basic Python): Put pagination text here.  Document
	close-on-exec, SIGCHLD, and SIGINT.
	PR python/14204:
	* gdb.texinfo (Python API): Fix menu entry.
	(Blocks In Python): Fix subsubsection text.  Rewrite intro.
	Define global and static block.  Add example.  Clarify
	block relationship for inline functions.