Previous line to table ignored if it is a line break

Signed-off-by: Miguel Angel Reina Ortega <miguelangel.reinaortega@etsi.org>

src/example.py

@@ -82,7 +82,8 @@ def parse_all_examples(txt):
             if is_example_table(line):
                 linetext = str(line.rows[0].cells[0].text)
         elif isinstance(line, str):
-            linetext = line
+            if line != '\r\n' and line != '\n':
+                linetext = line
         else:
             continue