patch 8.0.1497: getting the jump list requires parsing the output of :jumps

Problem:    Getting the jump list requires parsing the output of :jumps.
Solution:   Add getjumplist(). (Yegappan Lakshmanan, closes #2609)

runtime/doc/eval.txt

@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 8.0.  Last change: 2018 Feb 09
+*eval.txt*	For Vim version 8.0.  Last change: 2018 Feb 10
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2167,6 +2167,8 @@ getfperm({fname})		String	file permissions of file {fname}
 getfsize({fname})		Number	size in bytes of file {fname}
 getftime({fname})		Number	last modification time of file
 getftype({fname})		String	description of type of file {fname}
+getjumplist([{winnr} [, {tabnr}]])
+				List	list of jump list items
 getline({lnum})			String	line {lnum} of current buffer
 getline({lnum}, {end})		List	lines {lnum} to {end} of current buffer
 getloclist({nr} [, {what}])	List	list of location list items
@@ -4560,6 +4562,26 @@ getftype({fname})					*getftype()*
 		"file" are returned.  On MS-Windows a symbolic link to a
 		directory returns "dir" instead of "link".
 
+							*getjumplist()*
+getjumplist([{winnr} [, {tabnr}]])
+		Returns the |jumplist| for the specified window.
+
+		Without arguments use the current window.
+		With {winnr} only use this window in the current tab page.
+		{winnr} can also be a |window-ID|.
+		With {winnr} and {tabnr} use the window in the specified tab
+		page.
+
+		The returned list contains two entries: a list with the jump
+		locations and the last used jump position number in the list.
+		Each entry in the jump location list is a dictionary with
+		the following entries:
+			bufnr		buffer number
+			col		column number
+			coladd		column offset for 'virtualedit'
+			filename	filename if available
+			lnum		line number
+
 							*getline()*
 getline({lnum} [, {end}])
 		Without {end} the result is a String, which is line {lnum}

runtime/doc/usr_41.txt

@@ -807,6 +807,7 @@ Buffers, windows and the argument list:
 	getbufinfo()		get a list with buffer information
 	gettabinfo()		get a list with tab page information
 	getwininfo()		get a list with window information
+	getjumplist()		get a list of jump list entries
 
 Command line:					*command-line-functions*
 	getcmdline()		get the current command line