diff --git a/.travis.yml b/.travis.yml
index 1a940bdf..34cdbc4d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,6 @@ os:
   - linux
   - osx
 julia:
-  - 0.3
   - 0.4
   - nightly
 notifications:
diff --git a/REQUIRE b/REQUIRE
index 60439979..105f73d4 100644
--- a/REQUIRE
+++ b/REQUIRE
@@ -1,4 +1,2 @@
-julia 0.3
+julia 0.4
 Compat 0.7.19
-# The rest are needed only on julia 0.3
-Docile
diff --git a/src/FileIO.jl b/src/FileIO.jl
index 74d4f457..9da8c05f 100644
--- a/src/FileIO.jl
+++ b/src/FileIO.jl
@@ -4,16 +4,6 @@ module FileIO
 using Compat
 import Compat.String
 
-if VERSION < v"0.4.0-dev"
-    using Docile
-    immutable Pair{A,B}
-        first::A
-        second::B
-    end
-    Base.first(p::Pair) = p.first
-    Base.last(p::Pair) = p.second
-end
-
 export DataFormat,
        File,
        Formatted,
@@ -44,7 +34,7 @@ include("error_handling.jl")
 include("loadsave.jl")
 include("registry.jl")
 
-@doc """
+"""
 `FileIO` API (brief summary, see individual functions for more detail):
 
 - `format"PNG"`: specifies a particular defined format
@@ -66,6 +56,7 @@ include("registry.jl")
 - `add_format(fmt, magic, extension)`: register a new format
 - `add_loader(fmt, :Package)`: indicate that `Package` supports loading files of type `fmt`
 - `add_saver(fmt, :Package)`: indicate that `Package` supports saving files of type `fmt`
-""" -> FileIO
+"""
+FileIO
 
 end
diff --git a/src/error_handling.jl b/src/error_handling.jl
index fc87915c..17bab590 100644
--- a/src/error_handling.jl
+++ b/src/error_handling.jl
@@ -1,8 +1,8 @@
-@doc """
+"""
 `LoaderError` should be thrown when loader library code fails, and other libraries should
 be given the chance to recover from the error.  Reports the library name and an error message:
 LoaderError("ImageMagick", "Foo not available")
-""" ->
+"""
 immutable LoaderError <: Exception
     library::Compat.UTF8String
     msg::Compat.UTF8String
@@ -10,11 +10,11 @@ end
 Base.showerror(io::IO, e::LoaderError) = println(io, e.library, " load error: ",
                                                  msg, "\n  Will try next loader.")
 
-@doc """
+"""
 `WriterError` should be thrown when writer library code fails, and other libraries should
 be given the chance to recover from the error.  Reports the library name and an error message:
 WriterError("ImageMagick", "Foo not available")
-""" ->
+"""
 immutable WriterError <: Exception
     library::Compat.UTF8String
     msg::Compat.UTF8String
@@ -24,27 +24,27 @@ Base.showerror(io::IO, e::WriterError) = println(
     msg, "\n  Will try next writer."
 )
 
-@doc """
+"""
 `NotInstalledError` should be thrown when a library is currently not installed.
-""" ->
+"""
 immutable NotInstalledError <: Exception
     library::Symbol
     message::Compat.UTF8String
 end
 Base.showerror(io::IO, e::NotInstalledError) = println(io, e.library, " is not installed.")
 
-@doc """
+"""
 `UnknownFormat` gets thrown when FileIO can't recognize the format of a file.
-""" ->
+"""
 immutable UnknownFormat{T <: Formatted} <: Exception
     format::T
 end
 Base.showerror(io::IO, e::UnknownFormat) = println(io, e.format, " couldn't be recognized by FileIO.")
 
 
-@doc """
+"""
 Handles error as soon as they get thrown while doing IO
-""" ->
+"""
 function handle_current_error(e, library, islast::Bool)
     bt = catch_backtrace()
     bts = sprint(io->Base.show_backtrace(io, bt))
@@ -53,9 +53,9 @@ function handle_current_error(e, library, islast::Bool)
 end
 handle_current_error(e::NotInstalledError) = warn(string("lib ", e.library, " not installed, trying next library"))
 
-@doc """
+"""
 Handles a list of thrown errors after no IO library was found working
-""" ->
+"""
 function handle_error(exceptions::Vector)
     for exception in exceptions
         continue_ = handle_error(exception...)
@@ -77,12 +77,10 @@ function handle_error(e::NotInstalledError, q)
             return false # don't continue
         elseif input == "n"
             info(string("Not installing ", e.library))
-            return true # User does not install, continue going through errors. 
+            return true # User does not install, continue going through errors.
         else
             println("$input is not a valid choice. Try typing y or n")
         end
     end
-    true # User does not install, continue going through errors. 
+    true # User does not install, continue going through errors.
 end
-
-
diff --git a/src/loadsave.jl b/src/loadsave.jl
index e9bbca96..139e5699 100644
--- a/src/loadsave.jl
+++ b/src/loadsave.jl
@@ -28,27 +28,29 @@ for (applicable_, add_, dict_) in (
 end
 
 
-@doc "`add_loader(fmt, :Package)` triggers `using Package` before loading format `fmt`" -> add_loader
-@doc "`add_saver(fmt, :Package)` triggers `using Package` before saving format `fmt`" -> add_saver
+"`add_loader(fmt, :Package)` triggers `using Package` before loading format `fmt`"
+add_loader
+"`add_saver(fmt, :Package)` triggers `using Package` before saving format `fmt`"
+add_saver
 
 
-@doc """
+"""
 - `load(filename)` loads the contents of a formatted file, trying to infer
 the format from `filename` and/or magic bytes in the file.
 - `load(strm)` loads from an `IOStream` or similar object. In this case,
 the magic bytes are essential.
 - `load(File(format"PNG",filename))` specifies the format directly, and bypasses inference.
 - `load(f; options...)` passes keyword arguments on to the loader.
-""" ->
+"""
 load(s::@compat(Union{AbstractString,IO}), args...; options...) =
     load(query(s), args...; options...)
 
-@doc """
+"""
 - `save(filename, data...)` saves the contents of a formatted file,
 trying to infer the format from `filename`.
 - `save(Stream(format"PNG",io), data...)` specifies the format directly, and bypasses inference.
 - `save(f, data...; options...)` passes keyword arguments on to the saver.
-""" ->
+"""
 save(s::@compat(Union{AbstractString,IO}), data...; options...) =
     save(query(s), data...; options...)
 
diff --git a/src/query.jl b/src/query.jl
index bbeaf451..c7056065 100644
--- a/src/query.jl
+++ b/src/query.jl
@@ -30,13 +30,13 @@ function add_loadsave(format, predicates)
     end
 end
 
-@doc """
+"""
 `DataFormat{sym}()` indicates a known binary or text format of kind `sym`,
 where `sym` is always a symbol. For example, a .csv file might have
 `DataFormat{:CSV}()`.
 
 An easy way to write `DataFormat{:CSV}` is `format"CSV"`.
-""" ->
+"""
 immutable DataFormat{sym} end
 
 macro format_str(s)
@@ -45,8 +45,8 @@ end
 
 const unknown_df = DataFormat{:UNKNOWN}
 
-@doc """
-`unknown(f)` returns true if the format of `f` is unknown.""" ->
+"""
+`unknown(f)` returns true if the format of `f` is unknown."""
 unknown(::Type{format"UNKNOWN"})    = true
 unknown{sym}(::Type{DataFormat{sym}}) = false
 
@@ -64,7 +64,7 @@ function add_format(fmt, magic, extension, load_save_libraries...)
     fmt
 end
 
-@doc """
+"""
 `add_format(fmt, magic, extention)` registers a new `DataFormat`.
 For example:
 
@@ -73,7 +73,7 @@ For example:
     add_format(format"NRRD", "NRRD", [".nrrd",".nhdr"])
 
 Note that extensions, magic numbers, and format-identifiers are case-sensitive.
-""" ->
+"""
 function add_format{sym}(fmt::Type{DataFormat{sym}}, magic::@compat(Union{Tuple,AbstractVector,String}), extension)
     haskey(sym2info, sym) && error("format ", fmt, " is already registered")
     m = canonicalize_magic(magic)
@@ -113,9 +113,9 @@ function add_format{sym}(fmt::Type{DataFormat{sym}}, magic, extension)
     fmt
 end
 
-@doc """
+"""
 `del_format(fmt::DataFormat)` deletes `fmt` from the format registry.
-""" ->
+"""
 function del_format{sym}(fmt::Type{DataFormat{sym}})
     magic, extension = sym2info[sym]
     del_magic(magic, sym)
@@ -148,9 +148,9 @@ function del_magic{N}(magic::NTuple{N, UInt8}, sym)
     nothing
 end
 
-@doc """
+"""
 `info(fmt)` returns the magic bytes/extension information for
-`DataFormat` `fmt`.""" ->
+`DataFormat` `fmt`."""
 Base.info{sym}(::Type{DataFormat{sym}}) = sym2info[sym]
 
 
@@ -209,32 +209,32 @@ end
 
 abstract Formatted{F<:DataFormat}   # A specific file or stream
 
-@doc """
+"""
 `File(fmt, filename)` indicates that `filename` is a file of known
 DataFormat `fmt`.  For example, `File{fmtpng}(filename)` would indicate a PNG
-file.""" ->
+file."""
 immutable File{F<:DataFormat} <: Formatted{F}
     filename::Compat.UTF8String
 end
 File{sym}(fmt::Type{DataFormat{sym}}, filename) = File{fmt}(filename)
 
-@doc """
+"""
 `filename(file)` returns the filename associated with `File` `file`.
-""" ->
+"""
 filename(f::File) = f.filename
 
-@doc """
+"""
 `file_extension(file)` returns the file extension associated with `File` `file`.
-""" ->
+"""
 file_extension(f::File) = splitext(filename(f))[2]
 
 
 
-@doc """
+"""
 `Stream(fmt, io, [filename])` indicates that the stream `io` is
 written in known `Format`.  For example, `Stream{PNG}(io)` would
 indicate PNG format.  If known, the optional `filename` argument can
-be used to improve error messages, etc.""" ->
+be used to improve error messages, etc."""
 immutable Stream{F<:DataFormat,IOtype<:IO} <: Formatted{F}
     io::IOtype
     filename::Nullable{Compat.UTF8String}
@@ -245,17 +245,17 @@ Stream{F<:DataFormat}(::Type{F}, io::IO, filename::AbstractString) = Stream{F,ty
 Stream{F<:DataFormat}(::Type{F}, io::IO, filename) = Stream{F,typeof(io)}(io,filename)
 Stream{F}(file::File{F}, io::IO) = Stream{F,typeof(io)}(io,filename(file))
 
-@doc "`stream(s)` returns the stream associated with `Stream` `s`" ->
+"`stream(s)` returns the stream associated with `Stream` `s`"
 stream(s::Stream) = s.io
 
-@doc """
+"""
 `filename(stream)` returns a nullable-string of the filename
-associated with `Stream` `stream`.""" ->
+associated with `Stream` `stream`."""
 filename(s::Stream) = s.filename
 
-@doc """
+"""
 `file_extension(file)` returns a nullable-string for the file extension associated with `Stream` `stream`.
-""" ->
+"""
 function file_extension(f::Stream)
     isnull(filename(f)) && return filename(f)
     splitext(get(filename(f)))[2]
@@ -301,13 +301,13 @@ Base.readbytes(s::Stream, nb) = read(stream(s), nb)
 Base.isreadonly(s::Stream) = isreadonly(stream(s))
 Base.isopen(s::Stream) = isopen(stream(s))
 
-@doc "`magic(fmt)` returns the magic bytes of format `fmt`" ->
+"`magic(fmt)` returns the magic bytes of format `fmt`"
 magic{F<:DataFormat}(fmt::Type{F}) = UInt8[info(fmt)[1]...]
 
-@doc """
+"""
 `skipmagic(s)` sets the position of `Stream` `s` to be just after the magic bytes.
 For a plain IO object, you can use `skipmagic(io, fmt)`.
-""" ->
+"""
 skipmagic{F}(s::Stream{F}) = (skipmagic(stream(s), F); s)
 function skipmagic{sym}(io, fmt::Type{DataFormat{sym}})
     magic, _ = sym2info[sym]
@@ -345,9 +345,9 @@ end
 unknown{F}(::File{F}) = unknown(F)
 unknown{F}(::Stream{F}) = unknown(F)
 
-@doc """
+"""
 `query(filename)` returns a `File` object with information about the
-format inferred from the file's extension and/or magic bytes.""" ->
+format inferred from the file's extension and/or magic bytes."""
 function query(filename::AbstractString)
     _, ext = splitext(filename)
     if haskey(ext2sym, ext)
@@ -381,9 +381,9 @@ hasfunction(v::Vector) = any(hasfunction, v)
 hasfunction(s::Any) = true #has function
 hasfunction(s::Tuple) = false #has magic
 
-@doc """
+"""
 `query(io, [filename])` returns a `Stream` object with information about the
-format inferred from the magic bytes.""" ->
+format inferred from the magic bytes."""
 query(io::IO, filename) = query(io, Nullable(Compat.UTF8String(filename)))
 
 function query(io::IO, filename::Nullable{Compat.UTF8String}=Nullable{Compat.UTF8String}())