Fix incorrect warning "Unknown Doxygen command: ."

CHANGES.current

@@ -7,6 +7,9 @@ the issue number to the end of the URL: https://github.com/swig/swig/issues/
 Version 4.1.0 (in progress)
 ===========================
 
+2021-03-01: vadz
+            #1952 Fix incorrect warning "Unknown Doxygen command: ."
+
 2020-10-10: wsfulton
             #252 complex can now be used as a C identifier and doesn't give a syntax error.
 

Examples/test-suite/doxygen_parsing.i

@@ -29,6 +29,7 @@ enum SomeEnum
  */
 struct SomeStruct
 {
+   int width; ///< \**immutable** image width in pixels
 };
 
 /**

Examples/test-suite/java/doxygen_parsing_runme.java

@@ -45,6 +45,12 @@ public class doxygen_parsing_runme {
     		" The struct comment \n" +
     		" \n" +
     		"");
+    wantedComments.put("doxygen_parsing.SomeStruct.setWidth(int)",
+    		"**immutable** image width in pixels \n" +
+    		"");
+    wantedComments.put("doxygen_parsing.SomeStruct.getWidth()",
+    		"**immutable** image width in pixels \n" +
+    		"");
     wantedComments.put("doxygen_parsing.doxygen_parsing.setSomeVar(int)",
     		" The var comment \n" +
     		" \n" +