From 88c5aeebd54aaa5413175e6b9711a877f9a35a6b Mon Sep 17 00:00:00 2001
From: BobLd <boris.ledeist@edhec.com>
Date: Fri, 10 Apr 2020 14:38:59 +0100
Subject: [PATCH] Make DateFormatHelper public

---
 src/UglyToad.PdfPig/Util/DateFormatHelper.cs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/UglyToad.PdfPig/Util/DateFormatHelper.cs b/src/UglyToad.PdfPig/Util/DateFormatHelper.cs
index c0c089ec..9f4f01f2 100644
--- a/src/UglyToad.PdfPig/Util/DateFormatHelper.cs
+++ b/src/UglyToad.PdfPig/Util/DateFormatHelper.cs
@@ -2,8 +2,20 @@
 {
     using System;
 
-    internal static class DateFormatHelper
+    /// <summary>
+    /// Helper class for dates.
+    /// </summary>
+    public static class DateFormatHelper
     {
+        /// <summary>
+        /// Try parsing a pdf formated date string into a <see cref="DateTimeOffset"/>.
+        /// <para>Date values used in a PDF shall conform to a standard date format, which closely 
+        /// follows that of the international standard ASN.1, defined in ISO/IEC 8824. A date shall be a text string 
+        /// of the form (D:YYYYMMDDHHmmSSOHH'mm).</para>
+        /// </summary>
+        /// <param name="s">The pdf formated date string, e.g. D:199812231952-08'00.</param>
+        /// <param name="offset">The parsed date.</param>
+        /// <returns>True if parsed.</returns>
         public static bool TryParseDateTimeOffset(string s, out DateTimeOffset offset)
         {
             offset = DateTimeOffset.MinValue;