Fix generated Python code for Doxygen comments ending with quote

Single-line Doxygen comments ending with a double quote resulted in
syntactically-invalid Python docstrings in the output, so use triple
single quotes as delimiters in this case to avoid it.

Examples/test-suite/doxygen_misc_constructs.h

@@ -91,4 +91,6 @@ void backslashC()
 void cycle(int id, char *fileName)
 {}
 
+/// This doc comment ends with a quote: "and that's ok"
+void doc_ends_with_quote() {}
 

Examples/test-suite/java/doxygen_misc_constructs_runme.java

@@ -185,6 +185,8 @@ public class doxygen_misc_constructs_runme {
                 "\n" +
                 " @param fileName name of the log file\n");
 
+    wantedComments.put("doxygen_misc_constructs.doxygen_misc_constructs.doc_ends_with_quote()",
+            "This doc comment ends with a quote: \"and that's ok\"");
 
     // and ask the parser to check comments for us
     System.exit(CommentParser.check(wantedComments));

Examples/test-suite/python/doxygen_misc_constructs_runme.py

@@ -131,3 +131,7 @@ Spaces at the start of line should be taken into account:
 :type fileName: string
 :param fileName: name of the log file"""
 );
+
+comment_verifier.check(inspect.getdoc(doxygen_misc_constructs.doc_ends_with_quote),
+    r'''This doc comment ends with a quote: "and that's ok"'''
+);