[doc] spaces between parameters (readability) in jldoctests (#42385)

base/intfuncs.jl

@@ -13,25 +13,25 @@ The arguments may be integer and rational numbers.
 
 # Examples
 ```jldoctest
-julia> gcd(6,9)
+julia> gcd(6, 9)
 3
 
-julia> gcd(6,-9)
+julia> gcd(6, -9)
 3
 
-julia> gcd(6,0)
+julia> gcd(6, 0)
 6
 
-julia> gcd(0,0)
+julia> gcd(0, 0)
 0
 
-julia> gcd(1//3,2//3)
+julia> gcd(1//3, 2//3)
 1//3
 
-julia> gcd(1//3,-2//3)
+julia> gcd(1//3, -2//3)
 1//3
 
-julia> gcd(1//3,2)
+julia> gcd(1//3, 2)
 1//3
 
 julia> gcd(0, 0, 10, 15)
@@ -90,33 +90,33 @@ The arguments may be integer and rational numbers.
 
 # Examples
 ```jldoctest
-julia> lcm(2,3)
+julia> lcm(2, 3)
 6
 
-julia> lcm(-2,3)
+julia> lcm(-2, 3)
 6
 
-julia> lcm(0,3)
+julia> lcm(0, 3)
 0
 
-julia> lcm(0,0)
+julia> lcm(0, 0)
 0
 
-julia> lcm(1//3,2//3)
+julia> lcm(1//3, 2//3)
 2//3
 
-julia> lcm(1//3,-2//3)
+julia> lcm(1//3, -2//3)
 2//3
 
-julia> lcm(1//3,2)
+julia> lcm(1//3, 2)
 2//1
 
-julia> lcm(1,3,5,7)
+julia> lcm(1, 3, 5, 7)
 105
 ```
 """
 function lcm(a::T, b::T) where T<:Integer
-    # explicit a==0 test is to handle case of lcm(0,0) correctly
+    # explicit a==0 test is to handle case of lcm(0, 0) correctly
     # explicit b==0 test is to handle case of lcm(typemin(T),0) correctly
     if a == 0 || b == 0
         return zero(a)
@@ -214,13 +214,13 @@ and ``div(y,m) = 0``. This will throw an error if ``m = 0``, or if
 
 # Examples
 ```jldoctest
-julia> invmod(2,5)
+julia> invmod(2, 5)
 3
 
-julia> invmod(2,3)
+julia> invmod(2, 3)
 2
 
-julia> invmod(5,6)
+julia> invmod(5, 6)
 5
 ```
 """
@@ -894,14 +894,14 @@ the array length. If the array length is excessive, the excess portion is filled
 
 # Examples
 ```jldoctest
-julia> digits!([2,2,2,2], 10, base = 2)
+julia> digits!([2, 2, 2, 2], 10, base = 2)
 4-element Vector{Int64}:
  0
  1
  0
  1
 
-julia> digits!([2,2,2,2,2,2], 10, base = 2)
+julia> digits!([2, 2, 2, 2, 2, 2], 10, base = 2)
 6-element Vector{Int64}:
  0
  1