Resolved SA1001, SA1004, SA1025 and SA1027.

src/ImageSharp/IO/EndianBitConverter.cs

@@ -325,7 +325,7 @@ namespace ImageSharp.IO
         }
         #endregion
 
-        #region	Decimal conversions
+        #region Decimal conversions
         /// <summary>
         /// Returns a decimal value converted from sixteen bytes 
         /// at a specified position in a byte array.

src/ImageSharp/Profiles/Exif/ExifTagDescriptionAttribute.cs

@@ -6,7 +6,6 @@
 namespace ImageSharp
 {
     using System;
-    using System.Linq;
     using System.Reflection;
 
     /// <summary>
@@ -18,9 +17,9 @@ namespace ImageSharp
         private object value;
         private string description;
 
-        ///<summary>
+        /// <summary>
         /// Initializes a new instance of the ExifTagDescriptionAttribute class.
-        ///</summary>
+        /// </summary>
         /// <param name="value">The value of the exif tag.</param>
         /// <param name="description">The description for the value of the exif tag.</param>
         public ExifTagDescriptionAttribute(object value, string description)

src/ImageSharp/Profiles/Exif/ExifValue.cs

@@ -103,10 +103,10 @@ namespace ImageSharp
             return !Equals(left, right);
         }
 
-        ///<summary>
+        /// <summary>
         /// Determines whether the specified object is equal to the current exif value.
-        ///</summary>
-        ///<param name="obj">The object to compare this exif value with.</param>
+        /// </summary>
+        /// <param name="obj">The object to compare this exif value with.</param>
         public override bool Equals(object obj)
         {
             if (ReferenceEquals(this, obj))
@@ -117,10 +117,10 @@ namespace ImageSharp
             return this.Equals(obj as ExifValue);
         }
 
-        ///<summary>
+        /// <summary>
         /// Determines whether the specified exif value is equal to the current exif value.
-        ///</summary>
-        ///<param name="other">The exif value to compare this exif value with.</param>
+        /// </summary>
+        /// <param name="other">The exif value to compare this exif value with.</param>
         public bool Equals(ExifValue other)
         {
             if (ReferenceEquals(other, null))

src/ImageSharp/Profiles/Exif/ExifWriter.cs

@@ -16,7 +16,7 @@ namespace ImageSharp
         {
             ExifTag.ImageWidth, ExifTag.ImageLength, ExifTag.BitsPerSample, ExifTag.Compression,
             ExifTag.PhotometricInterpretation, ExifTag.Thresholding, ExifTag.CellWidth,
-            ExifTag.CellLength, ExifTag.FillOrder,ExifTag.ImageDescription, ExifTag.Make,
+            ExifTag.CellLength, ExifTag.FillOrder, ExifTag.ImageDescription, ExifTag.Make,
             ExifTag.Model, ExifTag.StripOffsets, ExifTag.Orientation, ExifTag.SamplesPerPixel,
             ExifTag.RowsPerStrip, ExifTag.StripByteCounts, ExifTag.MinSampleValue,
             ExifTag.MaxSampleValue, ExifTag.XResolution, ExifTag.YResolution,