Diff being reverted:
diff --git a/ref/software_guidelines.mdwn b/ref/software_guidelines.mdwn
index f0b5ba1..8e6b8f3 100644
--- a/ref/software_guidelines.mdwn
+++ b/ref/software_guidelines.mdwn
@@ -68,7 +68,7 @@ discussion list](http://tools.ipol.im/mailman/listinfo/discuss).
 Changes from version 1.02:
 
 -    Removed restrictions regarding exclusive use of C code.
--    Changed restrictions on the size of uploaded files.
+-    Changed limitations on the size of uploaded files.
 
 ## Vocabulary
 
diff --git a/ref/software_guidelines/ipol-swg._mdwn b/ref/software_guidelines/ipol-swg._mdwn
index 4e0b95e..2501538 100644
--- a/ref/software_guidelines/ipol-swg._mdwn
+++ b/ref/software_guidelines/ipol-swg._mdwn
@@ -46,7 +46,7 @@ discussion list](http://tools.ipol.im/mailman/listinfo/discuss).
 Changes from version 1.02:
 
 -    Removed restrictions regarding exclusive use of C code.
--    Changed restrictions on the size of uploaded files.
+-    Changed limitations on the size of uploaded files.
 
 ## Vocabulary
 
diff --git a/ref/software_guidelines/ipol-swg.html b/ref/software_guidelines/ipol-swg.html
index 7e17835..c57f980 100644
--- a/ref/software_guidelines/ipol-swg.html
+++ b/ref/software_guidelines/ipol-swg.html
@@ -3,6 +3,7 @@
 <head>
   <meta charset="utf-8" />
   <meta name="generator" content="pandoc" />
+  <meta name="author" content="" />
   <meta name="date" content="2018-05-14" />
   <title>IPOL Software Guidelines — version 1.04</title>
   <!--[if lt IE 9]>
@@ -57,7 +58,7 @@ verifiable and usable software for reproducible research.
 <li><a href="#a.-key-words">A. Key Words</a></li>
 </ul></li>
 </ul>
-<p></p>
+
 <h1 id="in-brief-check-list-check-service-and-examples">In Brief: Check List, Check Service and Examples</h1>
 <p>The list hereafter is a summary of the guidelines, to quickly check a program. Some are requirements, others are only recommendations. This document details and explains the guidelines later.</p>
 <ul>
@@ -84,7 +85,7 @@ verifiable and usable software for reproducible research.
 <p>Changes from version 1.02:</p>
 <ul>
 <li>Removed restrictions regarding exclusive use of C code.</li>
-<li>Changed restrictions on the size of uploaded files.</li>
+<li>Changed limitations on the size of uploaded files.</li>
 </ul>
 <h2 id="vocabulary">Vocabulary</h2>
 <p>These guidelines are designed for a research journal whose articles include some software material. They are written for IPOL, but may be used by others.</p>
diff --git a/ref/software_guidelines/ipol-swg.pdf b/ref/software_guidelines/ipol-swg.pdf
index a1afb29..8d61d07 100644
Binary files a/ref/software_guidelines/ipol-swg.pdf and b/ref/software_guidelines/ipol-swg.pdf differ
diff --git a/ref/software_guidelines/ipol-swg.txt b/ref/software_guidelines/ipol-swg.txt
index 794d074..1458643 100644
--- a/ref/software_guidelines/ipol-swg.txt
+++ b/ref/software_guidelines/ipol-swg.txt
@@ -89,7 +89,7 @@ announced on the IPOL website and the IPOL discussion list.
 Changes from version 1.02:
 
 -   Removed restrictions regarding exclusive use of C code.
--   Changed restrictions on the size of uploaded files.
+-   Changed limitations on the size of uploaded files.
 
 
 Vocabulary
@@ -548,8 +548,8 @@ the authors, reviewers and editor before an article is accepted for
 publication.
 
 MAY
-    This word, or the adjective OPTIONAL, means that an item is
-    truly optional. One author may choose to include the item because a
+    This word, or the adjective OPTIONAL, means that an item is truly
+    optional. One author may choose to include the item because a
     particular article requires it or because the author feels that it
     enhances the software while another author may omit the same item.