fix for Julia versions before introduction of public

Author: Eben60

src/pkgdefaults.jl

@@ -347,8 +347,12 @@ for (k,v) in prefixdict
                     See also: [`Unitful.L`](@ref).
                     """
         expr1 = quote @doc $docstring ((const $sym_l = $sym_L), $sym_L) end 
-        expr2 = Expr(:public, sym_L, sym_l)
-        run = Expr(:block, expr1, expr2, nothing)
+        if VERSION >= v"1.11.0-DEV.469" 
+            expr2 = Expr(:public, sym_L, sym_l)
+            run = Expr(:block, expr1, expr2, nothing)
+        else
+            run = Expr(:block, expr1, nothing)
+        end
         eval(run)
     end
 end

src/user.jl

@@ -108,7 +108,7 @@ macro dimension(symb, abbr, name, autodocs=false, makepublic=autodocs)
         end
         $s
     end
-    makepublic || return esc(expr1)
+    (VERSION >= v"1.11.0-DEV.469" && makepublic) || return esc(expr1)
     expr2 = Expr(:public, Symbol(abbr), name, uname, funame)
     esc(Expr(:block, expr1, expr2, s))
 end
@@ -174,7 +174,7 @@ macro derived_dimension(name, dims, autodocs=false, makepublic=autodocs)
         nothing
     end
 
-    makepublic || return esc(expr1)
+    (VERSION >= v"1.11.0-DEV.469"  && makepublic) || return esc(expr1)
     expr2 = Expr(:public, name, uname, funame)
     esc(Expr(:block, expr1, expr2, nothing))
 end
@@ -233,7 +233,7 @@ macro refunit(symb, abbr, name, dimension, tf, autodocs=false, makepublic=autodo
         end)
     end
 
-    makepublic && push!(expr.args, Expr(:public, symb))
+    VERSION >= v"1.11.0-DEV.469" && makepublic && push!(expr.args, Expr(:public, symb))
 
     push!(expr.args, quote
         $preferunits($symb)
@@ -284,7 +284,7 @@ macro unit(symb, abbr, name, equals, tf, autodocs=false, makepublic=autodocs)
         end)
     end
 
-    makepublic && push!(expr.args, Expr(:public, symb))
+    VERSION >= v"1.11.0-DEV.469" && makepublic && push!(expr.args, Expr(:public, symb))
 
     push!(expr.args, quote
         $symb
@@ -310,7 +310,7 @@ macro affineunit(symb, abbr, offset, makepublic=true)
         Base.@__doc__ const global $s = $affineunit($offset)
         $Base.show(io::$IO, ::$genericunit($s)) = $print(io, $abbr)
     end
-    makepublic || return esc(expr1)
+    (VERSION >= v"1.11.0-DEV.469"  && makepublic) || return esc(expr1)
     expr2 = Expr(:public, s)
     esc(Expr(:block, expr1, expr2, s))
 end
@@ -372,7 +372,7 @@ macro prefixed_unit_symbols(symb, name, user_dimension, basefactor, autodocs=fal
                 end
             end
         end
-        makepublic && push!(expr.args, Expr(:public, s))
+        VERSION >= v"1.11.0-DEV.469" && makepublic && push!(expr.args, Expr(:public, s))
         push!(expr.args, ea)
     end
 
@@ -400,7 +400,7 @@ macro unit_symbols(symb, name, user_dimension, basefactor, makepublic=false)
         $(basefactors_expr(__module__, n, basefactor))
         Base.@__doc__ const global $s = $FreeUnits{($u,), $dimension($u), $nothing}()
     end
-    makepublic || return esc(expr1)
+    (VERSION >= v"1.11.0-DEV.469"  && makepublic) || return esc(expr1)
     expr2 = Expr(:public, s)
     esc(Expr(:block, expr1, expr2, s))
 end