[enh] show spelling corrections

searx/engines/google.py

@@ -112,6 +112,7 @@ title_xpath = './/h3'
 content_xpath = './/span[@class="st"]'
 content_misc_xpath = './/div[@class="f slp"]'
 suggestion_xpath = '//p[@class="_Bmc"]'
+spelling_suggestion_xpath = '//a[@class="spell"]'
 
 # map : detail location
 map_address_xpath = './/div[@class="s"]//table//td[2]/span/text()'
@@ -275,6 +276,9 @@ def response(resp):
         # append suggestion
         results.append({'suggestion': extract_text(suggestion)})
 
+    for correction in dom.xpath(spelling_suggestion_xpath):
+        results.append({'correction': extract_text(correction)})
+
     # return results
     return results