do not emit a newline when showing nodes/elements

Author: bicycle1885

src/document.jl

@@ -123,4 +123,4 @@ function Base.string(xdoc::XMLDocument; encoding::AbstractString="utf-8")
     _xcopystr(buf_out[1])
 end
 
-Base.show(io::IO, xdoc::XMLDocument) = println(io, string(xdoc))
+Base.show(io::IO, xdoc::XMLDocument) = print(io, string(xdoc))

src/nodes.jl

@@ -184,7 +184,7 @@ function Base.string(nd::XMLNode)
     return r
 end
 
-Base.show(io::IO, nd::XMLNode) = println(io, string(nd))
+Base.show(io::IO, nd::XMLNode) = print(io, string(nd))
 
 
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