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algorithms/german/stemmer.html

@@ -320,10 +320,11 @@ <h2>The stemming algorithm</h2>
         (<I>a</I>) <B><I>em</I></B> (not preceded by <B><I>syst</I></B> [condition added in Snowball 2.3.0])<BR>
         (<I>b</I>) <B><I>ern  &nbsp;  er</I></B><BR>
         (<I>c</I>) <B><I>e  &nbsp;  en  &nbsp;  es</I></B><BR>
-        (<I>d</I>) <B><I>s</I></B> (preceded by a valid <B><I>s</I></B>-ending)
+        (<I>d</I>) <B><I>s</I></B> (preceded by a valid <B><I>s</I></B>-ending)<BR>
+        (<I>e</I>) <B><I>ln  &nbsp;  lns</I></B> [added in Snowball 2.3.0]
 </DL>
     <p>
-    and delete if in <I>R</I>1. (Of course the letter of the valid <B><I>s</I></B>-ending is
+    and if in <I>R</I>1 then delete (for (a) to (d)) or replace with <I>l</I> (for (e)). (Of course the letter of the valid <B><I>s</I></B>-ending is
     not necessarily in <I>R</I>1.) If an ending of group (<I>c</I>) is deleted, and the ending
     is preceded by <B><I>niss</I></B>, delete the final <B><I>s</I></B>.
     </p>
@@ -470,7 +471,7 @@ <h2>The same algorithm in Snowball</h2>
 <span class="w">        </span><span class="ow">do</span><span class="w"> </span><span class="p">(</span><span class="w"></span>
 <span class="w">            </span><span class="o">[</span><span class="ow">substring</span><span class="o">]</span><span class="w"> </span><span class="n">R1</span><span class="w"> </span><span class="kr">among</span><span class="p">(</span><span class="w"></span>
 <span class="w">                </span><span class="s1">&#39;em&#39;</span><span class="w"></span>
-<span class="w">                </span><span class="p">(</span><span class="w">   </span><span class="ow">not</span><span class="w"> </span><span class="s1">&#39;syst&#39;</span><span class="w"></span>
+<span class="w">                </span><span class="p">(</span><span class="w">   </span><span class="ow">not</span><span class="w"> </span><span class="s1">&#39;syst&#39;</span><span class="w"> </span><span class="c1">// don&#39;t remove -em from words ending -system</span><span class="w"></span>
 <span class="w">                    </span><span class="ow">delete</span><span class="w"></span>
 <span class="w">                </span><span class="p">)</span><span class="w"></span>
 <span class="w">                </span><span class="s1">&#39;ern&#39;</span><span class="w"> </span><span class="s1">&#39;er&#39;</span><span class="w"></span>
@@ -483,6 +484,9 @@ <h2>The same algorithm in Snowball</h2>
 <span class="w">                </span><span class="s1">&#39;s&#39;</span><span class="w"></span>
 <span class="w">                </span><span class="p">(</span><span class="w">   </span><span class="n">s_ending</span><span class="w"> </span><span class="ow">delete</span><span class="w"></span>
 <span class="w">                </span><span class="p">)</span><span class="w"></span>
+<span class="w">                </span><span class="s1">&#39;ln&#39;</span><span class="w"> </span><span class="s1">&#39;lns&#39;</span><span class="w"></span>
+<span class="w">                </span><span class="p">(</span><span class="w">   </span><span class="o">&lt;-</span><span class="w"> </span><span class="s1">&#39;l&#39;</span><span class="w"></span>
+<span class="w">                </span><span class="p">)</span><span class="w"></span>
 <span class="w">            </span><span class="p">)</span><span class="w"></span>
 <span class="w">        </span><span class="p">)</span><span class="w"></span>
 <span class="w">        </span><span class="ow">do</span><span class="w"> </span><span class="p">(</span><span class="w"></span>

algorithms/german2/stemmer.html

@@ -58,15 +58,15 @@ <h2>Links to resources</h2>
 
 <p>
 We used to present a variant of the main German stemmer, termed "german2" which
-was the same as the German stemmer but adjusted the first step to improve
-handling of input text where the German letters <B><I>ä</I></B>,
+was the same as the German stemmer except with the first step adjusted to
+improve handling of input text where the German letters <B><I>ä</I></B>,
 <B><I>ö</I></B> and <B><I>ü</I></B>, were written as <B><I>ae</I></B>,
 <B><I>oe</I></B> and <B><I>ue</I></B> respectively.
 </p>
 
 <p>
 Snowball 2.3.0 added these adjustments to the main German stemmer, so there
-is no longer a "german2" variant - just used the "german" stemmer.
+is no longer a "german2" variant - just use the "german" stemmer.
 </p>
 
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