updated for version 7.4.152
Problem:    Python: Cannot iterate over options.
Solution:   Add options iterator. (ZyX)
diff --git a/src/testdir/test86.in b/src/testdir/test86.in
index 1ccf7bd..240e07e 100644
--- a/src/testdir/test86.in
+++ b/src/testdir/test86.in
@@ -506,6 +506,11 @@
 :py bopts1=vim.buffers[vim.bindeval("g:bufs")[2]].options
 :py bopts2=vim.buffers[vim.bindeval("g:bufs")[1]].options
 :py bopts3=vim.buffers[vim.bindeval("g:bufs")[0]].options
+:$put ='wopts iters equal: '.pyeval('list(wopts1) == list(wopts2)')
+:$put ='bopts iters equal: '.pyeval('list(bopts1) == list(bopts2)')
+:py gset=set(iter(gopts1))
+:py wset=set(iter(wopts1))
+:py bset=set(iter(bopts1))
 :set path=.,..,,
 :let lst=[]
 :let lst+=[['paste',          1,     0,     1,     2,      1,    1,      0    ]]
@@ -536,6 +541,8 @@
 :       py oval3=bool(oval3)
 :   endif
 :   put ='>>> '.oname
+:   $put ='  g/w/b:'.pyeval('oname in gset').'/'.pyeval('oname in wset').'/'.pyeval('oname in bset')
+:   $put ='  g/w/b (in):'.pyeval('oname in gopts1').'/'.pyeval('oname in wopts1').'/'.pyeval('oname in bopts1')
 :   for v in ['gopts1', 'wopts1', 'bopts1']
 :       try
 :           put ='  p/'.v.': '.Ev('repr('.v.'['''.oname.'''])')
@@ -1122,6 +1129,13 @@
 ee('import failing')
 vim.options['rtp'] = old_rtp
 del old_rtp
+cb.append("> Options")
+cb.append(">> OptionsItem")
+ee('vim.options["abcQ"]')
+ee('vim.options[""]')
+stringtochars_test('vim.options[%s]')
+cb.append(">> OptionsContains")
+stringtochars_test('%s in vim.options')
 cb.append("> Dictionary")
 cb.append(">> DictionaryConstructor")
 ee('vim.Dictionary("abcI")')
diff --git a/src/testdir/test86.ok b/src/testdir/test86.ok
index 42cb025..257a5ee 100644
--- a/src/testdir/test86.ok
+++ b/src/testdir/test86.ok
@@ -112,7 +112,11 @@
 def
 bar
 jkl
+wopts iters equal: 1
+bopts iters equal: 1
 >>> paste
+  g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: False
   p/wopts1! KeyError
   inv: 2! KeyError
@@ -133,6 +137,8 @@
   W: 1:1 2:1 3:1 4:1
   B: 1:1 2:1 3:1 4:1
 >>> previewheight
+  g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: 12
   inv: 'a'! TypeError
   p/wopts1! KeyError
@@ -154,6 +160,8 @@
   W: 1:5 2:5 3:5 4:5
   B: 1:5 2:5 3:5 4:5
 >>> operatorfunc
+  g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: ''
   inv: 2! TypeError
   p/wopts1! KeyError
@@ -175,6 +183,8 @@
   W: 1:'A' 2:'A' 3:'A' 4:'A'
   B: 1:'A' 2:'A' 3:'A' 4:'A'
 >>> number
+  g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: 0! KeyError
   gopts1! KeyError
@@ -193,6 +203,8 @@
   W: 1:1 2:1 3:0 4:0
   B: 1:1 2:1 3:0 4:0
 >>> numberwidth
+  g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: -100! KeyError
   gopts1! KeyError
@@ -212,6 +224,8 @@
   W: 1:3 2:5 3:2 4:8
   B: 1:3 2:5 3:2 4:8
 >>> colorcolumn
+  g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: 'abc4'! KeyError
   gopts1! KeyError
@@ -231,6 +245,8 @@
   W: 1:'+2' 2:'+3' 3:'+1' 4:''
   B: 1:'+2' 2:'+3' 3:'+1' 4:''
 >>> statusline
+  g/w/b:1/1/0
+  g/w/b (in):1/1/0
   p/gopts1: ''
   inv: 0! TypeError
   p/wopts1: None
@@ -248,6 +264,8 @@
   W: 1:'2' 2:'1' 3:'1' 4:'1'
   B: 1:'2' 2:'1' 3:'1' 4:'1'
 >>> autoindent
+  g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -266,6 +284,8 @@
   W: 1:0 2:1 3:0 4:1
   B: 1:0 2:1 3:0 4:1
 >>> shiftwidth
+  g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 3! KeyError
   gopts1! KeyError
@@ -284,6 +304,8 @@
   W: 1:0 2:2 3:8 4:1
   B: 1:0 2:2 3:8 4:1
 >>> omnifunc
+  g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 1! KeyError
   gopts1! KeyError
@@ -303,6 +325,8 @@
   W: 1:'A' 2:'B' 3:'' 4:'C'
   B: 1:'A' 2:'B' 3:'' 4:'C'
 >>> preserveindent
+  g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -321,6 +345,8 @@
   W: 1:0 2:1 3:0 4:1
   B: 1:0 2:1 3:0 4:1
 >>> path
+  g/w/b:1/0/1
+  g/w/b (in):1/0/1
   p/gopts1: '.,..,,'
   inv: 0! TypeError
   p/wopts1! KeyError
@@ -509,6 +535,21 @@
 import xxx_no_such_module_xxx:ImportError:('No module named xxx_no_such_module_xxx',)
 import failing_import:ImportError:('No module named failing_import',)
 import failing:NotImplementedError:()
+> Options
+>> OptionsItem
+vim.options["abcQ"]:KeyError:('abcQ',)
+vim.options[""]:ValueError:('empty keys are not allowed',)
+>>> Testing StringToChars using vim.options[%s]
+vim.options[1]:TypeError:('expected str() or unicode() instance, but got int',)
+vim.options[u"\0"]:TypeError:('expected string without null bytes',)
+vim.options["\0"]:TypeError:('expected string without null bytes',)
+<<< Finished
+>> OptionsContains
+>>> Testing StringToChars using %s in vim.options
+1 in vim.options:TypeError:('expected str() or unicode() instance, but got int',)
+u"\0" in vim.options:TypeError:('expected string without null bytes',)
+"\0" in vim.options:TypeError:('expected string without null bytes',)
+<<< Finished
 > Dictionary
 >> DictionaryConstructor
 vim.Dictionary("abcI"):ValueError:('expected sequence element of size 2, but got sequence of size 1',)
diff --git a/src/testdir/test87.in b/src/testdir/test87.in
index 79b24b0..e45883b 100644
--- a/src/testdir/test87.in
+++ b/src/testdir/test87.in
@@ -503,6 +503,11 @@
 :py3 bopts1=vim.buffers[vim.bindeval("g:bufs")[2]].options
 :py3 bopts2=vim.buffers[vim.bindeval("g:bufs")[1]].options
 :py3 bopts3=vim.buffers[vim.bindeval("g:bufs")[0]].options
+:$put ='wopts iters equal: '.py3eval('list(wopts1) == list(wopts2)')
+:$put ='bopts iters equal: '.py3eval('list(bopts1) == list(bopts2)')
+:py3 gset=set(iter(gopts1))
+:py3 wset=set(iter(wopts1))
+:py3 bset=set(iter(bopts1))
 :set path=.,..,,
 :let lst=[]
 :let lst+=[['paste',          1,     0,     1,     2,      1,    1,      0    ]]
@@ -533,6 +538,8 @@
 :       py3 oval3=bool(oval3)
 :   endif
 :   put ='>>> '.oname
+:   $put ='  g/w/b:'.py3eval('oname in gset').'/'.py3eval('oname in wset').'/'.py3eval('oname in bset')
+:   $put ='  g/w/b (in):'.py3eval('oname in gopts1').'/'.py3eval('oname in wopts1').'/'.py3eval('oname in bopts1')
 :   for v in ['gopts1', 'wopts1', 'bopts1']
 :       try
 :           put ='  p/'.v.': '.Ev('repr('.v.'['''.oname.'''])')
@@ -1099,6 +1106,13 @@
 ee('import failing')
 vim.options['rtp'] = old_rtp
 del old_rtp
+cb.append("> Options")
+cb.append(">> OptionsItem")
+ee('vim.options["abcQ"]')
+ee('vim.options[""]')
+stringtochars_test('vim.options[%s]')
+cb.append(">> OptionsContains")
+stringtochars_test('%s in vim.options')
 cb.append("> Dictionary")
 cb.append(">> DictionaryConstructor")
 ee('vim.Dictionary("abcI")')
diff --git a/src/testdir/test87.ok b/src/testdir/test87.ok
index 57ac1a6..d1ec84c 100644
--- a/src/testdir/test87.ok
+++ b/src/testdir/test87.ok
@@ -112,7 +112,11 @@
 def
 bar
 jkl
+wopts iters equal: 1
+bopts iters equal: 1
 >>> paste
+  g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: False
   p/wopts1! KeyError
   inv: 2! KeyError
@@ -133,6 +137,8 @@
   W: 1:1 2:1 3:1 4:1
   B: 1:1 2:1 3:1 4:1
 >>> previewheight
+  g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: 12
   inv: 'a'! TypeError
   p/wopts1! KeyError
@@ -154,6 +160,8 @@
   W: 1:5 2:5 3:5 4:5
   B: 1:5 2:5 3:5 4:5
 >>> operatorfunc
+  g/w/b:1/0/0
+  g/w/b (in):1/0/0
   p/gopts1: b''
   inv: 2! TypeError
   p/wopts1! KeyError
@@ -175,6 +183,8 @@
   W: 1:'A' 2:'A' 3:'A' 4:'A'
   B: 1:'A' 2:'A' 3:'A' 4:'A'
 >>> number
+  g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: 0! KeyError
   gopts1! KeyError
@@ -193,6 +203,8 @@
   W: 1:1 2:1 3:0 4:0
   B: 1:1 2:1 3:0 4:0
 >>> numberwidth
+  g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: -100! KeyError
   gopts1! KeyError
@@ -212,6 +224,8 @@
   W: 1:3 2:5 3:2 4:8
   B: 1:3 2:5 3:2 4:8
 >>> colorcolumn
+  g/w/b:0/1/0
+  g/w/b (in):0/1/0
   p/gopts1! KeyError
   inv: 'abc4'! KeyError
   gopts1! KeyError
@@ -231,6 +245,8 @@
   W: 1:'+2' 2:'+3' 3:'+1' 4:''
   B: 1:'+2' 2:'+3' 3:'+1' 4:''
 >>> statusline
+  g/w/b:1/1/0
+  g/w/b (in):1/1/0
   p/gopts1: b''
   inv: 0! TypeError
   p/wopts1: None
@@ -248,6 +264,8 @@
   W: 1:'2' 2:'1' 3:'1' 4:'1'
   B: 1:'2' 2:'1' 3:'1' 4:'1'
 >>> autoindent
+  g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -266,6 +284,8 @@
   W: 1:0 2:1 3:0 4:1
   B: 1:0 2:1 3:0 4:1
 >>> shiftwidth
+  g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 3! KeyError
   gopts1! KeyError
@@ -284,6 +304,8 @@
   W: 1:0 2:2 3:8 4:1
   B: 1:0 2:2 3:8 4:1
 >>> omnifunc
+  g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 1! KeyError
   gopts1! KeyError
@@ -303,6 +325,8 @@
   W: 1:'A' 2:'B' 3:'' 4:'C'
   B: 1:'A' 2:'B' 3:'' 4:'C'
 >>> preserveindent
+  g/w/b:0/0/1
+  g/w/b (in):0/0/1
   p/gopts1! KeyError
   inv: 2! KeyError
   gopts1! KeyError
@@ -321,6 +345,8 @@
   W: 1:0 2:1 3:0 4:1
   B: 1:0 2:1 3:0 4:1
 >>> path
+  g/w/b:1/0/1
+  g/w/b (in):1/0/1
   p/gopts1: b'.,..,,'
   inv: 0! TypeError
   p/wopts1! KeyError
@@ -509,6 +535,21 @@
 import xxx_no_such_module_xxx:(<class 'ImportError'>, ImportError('No module named xxx_no_such_module_xxx',))
 import failing_import:(<class 'ImportError'>, ImportError('No module named failing_import',))
 import failing:(<class 'NotImplementedError'>, NotImplementedError())
+> Options
+>> OptionsItem
+vim.options["abcQ"]:(<class 'KeyError'>, KeyError('abcQ',))
+vim.options[""]:(<class 'ValueError'>, ValueError('empty keys are not allowed',))
+>>> Testing StringToChars using vim.options[%s]
+vim.options[1]:(<class 'TypeError'>, TypeError('expected bytes() or str() instance, but got int',))
+vim.options[b"\0"]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+vim.options["\0"]:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
+>> OptionsContains
+>>> Testing StringToChars using %s in vim.options
+1 in vim.options:(<class 'TypeError'>, TypeError('expected bytes() or str() instance, but got int',))
+b"\0" in vim.options:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+"\0" in vim.options:(<class 'TypeError'>, TypeError('expected bytes with no null',))
+<<< Finished
 > Dictionary
 >> DictionaryConstructor
 vim.Dictionary("abcI"):(<class 'ValueError'>, ValueError('expected sequence element of size 2, but got sequence of size 1',))