Make minor changes

docs/src/man/date-and-time-values.md

@@ -21,7 +21,7 @@ is sufficient for uncovering the represented date/time values for a given format
     Each year always consists of 52 weeks.
     Any remaining day at the end of a year is counted as the 52th week within that year.
     Conversion for a variable with format `"%tw"` is therefore handled differently.
-    For `"%ty"`, the recorded numerical values are simply the year numbers
+    For `"%ty"`, the recorded numerical values are simply the calendar years
     without any transformation.
     A variable with format `"%ty"` is not converted to Julia `Date` or `DateTime`.
 

docs/src/man/getting-started.md

@@ -160,7 +160,7 @@ out.vint
 ```
 
 It is possible to specify the format of certain variables.
-This is can be important, for example, for variables representing date/time.
+This can be important, for example, for variables representing date/time.
 In the above example, a default format has been selected:
 
 ```@repl getting-started
@@ -178,7 +178,8 @@ colmetadata(out2, :vdate, "format")
 ```
 
 Notice that since the format `"%tm"` is for months,
-the day within the month has been ignored and becomes 1.
+the day within a month has been ignored and becomes 1
+for the printed value of `Date` in the above example.
 
 !!! info
 
@@ -189,7 +190,7 @@ the day within the month has been ignored and becomes 1.
 
 !!! warning
 
-    The write support is experimental and not fully developed.
+    The write support is experimental and requires further testing.
     Caution should be taken when writing the data files.
 
 ## More Options

src/LabeledArrays.jl

@@ -89,6 +89,7 @@ Base.isless(x::LabeledValue, y::Missing) = isless(x.value, y)
 Base.isless(x::Missing, y::LabeledValue) = isless(x, y.value)
 Base.isapprox(x::LabeledValue, y; kwargs...) = isapprox(x.value, y; kwargs...)
 Base.isapprox(x, y::LabeledValue; kwargs...) = isapprox(x, y.value; kwargs...)
+Base.ismissing(x::LabeledValue) = ismissing(x.value)
 
 Base.iszero(x::LabeledValue) = iszero(x.value)
 Base.isnan(x::LabeledValue) = isnan(x.value)

src/datetime.jl

@@ -134,7 +134,7 @@ function (NDT::Num2DateTime{DT, Week})(num) where DT
         return num
     else
         y = floor(Int, num/52)
-        return (Date(year(NDT.epoch)+y, 1, 1) + Day(7*(num - 52*y)))
+        return Date(year(NDT.epoch)+y, 1, 1) + Day(7*(num - 52*y))
     end
 end
 
@@ -167,7 +167,7 @@ function (DTN::DateTime2Num{Num2DateTime{Date, Month}})(dt)
         return dt
     else
         y = year(dt) - year(DTN.ndt.epoch)
-        step = 12 / DTN.ndt.delta.value
+        step = 12 ÷ DTN.ndt.delta.value
         return Int32(step * y) + floor(Int32, (month(dt)-1) / DTN.ndt.delta.value)
     end
 end

test/LabeledArrays.jl

@@ -13,6 +13,7 @@
     @test v1 < v2
     @test isless(v1, v2)
     @test isapprox(v1, v3)
+    @test ismissing(v4)
 
     @test !iszero(v1)
     @test iszero(LabeledValue(0, lbls1))