Remove unused characters before converting post to html

languages.py

@@ -302,8 +302,11 @@ def auto_translate_post(base_dir: str, post_json_object: {},
     lang_list = \
         libretranslate_languages(libretranslate_url, libretranslate_api_key)
     for lang in lang_list:
+        content = None
         if msg_object['contentMap'].get(lang):
             content = msg_object['contentMap'][lang]
+        if not content:
+            continue
         translated_text = \
             libretranslate(libretranslate_url, content,
                            lang, system_language,

webapp_post.py

@@ -2055,6 +2055,9 @@ def individual_post_as_html(signing_priv_key_pem: str,
 
     if not is_pgp_encrypted(content_str):
         if not is_patch:
+            # remove any tabs
+            content_str = \
+                content_str.replace('\t', '').replace('\r', '')
             # Add bold text
             if bold_reading and \
                not displaying_ciphertext and \