@@ -36,7 +36,6 @@ def __classcall__(cls, cartan_type, *args, **options):
3636 Coxeter group of type ['B', 2] implemented by Coxeter3
3737 sage: CoxeterGroup(CartanType(['B', 3]).relabel({1: 3, 2: 2, 3: 1}))
3838 Coxeter group of type ['B', 3] relabelled by {1: 3, 2: 2, 3: 1} implemented by Coxeter3
39-
4039 """
4140 from sage .combinat .root_system .cartan_type import CartanType
4241 ct = CartanType (cartan_type )
@@ -146,7 +145,6 @@ def one(self):
146145 sage: W = CoxeterGroup(['A', 3], implementation='coxeter3')
147146 sage: W.one()
148147 []
149-
150148 """
151149 return self .element_class (self , [])
152150
@@ -194,7 +192,7 @@ def rank(self):
194192
195193 def is_finite (self ):
196194 """
197- Return True if this is a finite Coxeter group.
195+ Return `` True`` if this is a finite Coxeter group.
198196
199197 EXAMPLES::
200198
@@ -216,7 +214,6 @@ def length(self, x):
216214 2
217215 sage: W.length(W([1,1]))
218216 0
219-
220217 """
221218 return x .length ()
222219
@@ -237,7 +234,6 @@ def coxeter_matrix(self):
237234 [2 3 1]
238235 sage: m.index_set() == W.index_set()
239236 True
240-
241237 """
242238 return CoxeterMatrix (self ._coxgroup .coxeter_matrix (), self .index_set ())
243239
@@ -265,7 +261,6 @@ def _an_element_(self):
265261 sage: W = CoxeterGroup(['A', 3], implementation='coxeter3')
266262 sage: W._an_element_()
267263 []
268-
269264 """
270265 return self .element_class (self , [])
271266
@@ -293,8 +288,9 @@ def kazhdan_lusztig_polynomial(self, u, v, constant_term_one=True):
293288 INPUT:
294289
295290 - ``u``, ``v`` -- elements of the underlying Coxeter group
296- - ``constant_term_one`` -- (default: ``True``) True uses the constant equals one convention,
297- False uses the Leclerc-Thibon convention
291+ - ``constant_term_one`` -- boolean (default: ``True``); ``True`` uses
292+ the constant equals one convention, ``False`` uses the Leclerc-Thibon
293+ convention
298294
299295 .. SEEALSO::
300296
@@ -345,7 +341,7 @@ def kazhdan_lusztig_polynomial(self, u, v, constant_term_one=True):
345341 We check that Coxeter3 and Sage's implementation give the same results::
346342
347343 sage: C = CoxeterGroup(['B', 3], implementation='coxeter3')
348- sage: W = WeylGroup("B3",prefix="s" )
344+ sage: W = WeylGroup("B3",prefix='s' )
349345 sage: [s1,s2,s3] = W.simple_reflections()
350346 sage: R.<q> = LaurentPolynomialRing(QQ)
351347 sage: KL = KazhdanLusztigPolynomial(W,q)
@@ -540,7 +536,6 @@ def __getitem__(self, i):
540536 1
541537 sage: w0[1]
542538 2
543-
544539 """
545540 # Allow the error message to be raised by the underlying element
546541 return self .value [i ]
@@ -625,7 +620,7 @@ def has_right_descent(self, i):
625620
626621 def has_left_descent (self , i ):
627622 """
628- Return True if ``i`` is a left descent of this element.
623+ Return `` True`` if ``i`` is a left descent of this element.
629624
630625 EXAMPLES::
631626
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