settings/manager: remove newlines from headers during sanitization

1 files changed, 8 insertions, 5 deletions

diff --git a/alot/settings/manager.py b/alot/settings/manager.py
index a1e2ab6d..af8718e0 100644
--- a/alot/settings/manager.py
+++ b/alot/settings/manager.py
@@ -598,7 +598,7 @@ class SettingsManager:
                 rep = _pretty_datetime(d)
         return rep
 
-    def _make_trans_table(self, tab_width):
+    def _make_trans_table(self, tab_width, replace_newline):
         table = {}
 
         # remove C1 control codes
@@ -616,8 +616,11 @@ class SettingsManager:
         # delete LF
         table[ord('\r')] = None
 
-        # handle CR normally
-        del table[ord('\n')]
+        if replace_newline:
+            table[ord('\n')] = ' '
+        else:
+            # handle CR normally
+            del table[ord('\n')]
 
         # expand tabs
         table[ord('\t')] = ' ' * tab_width
@@ -626,7 +629,7 @@ class SettingsManager:
 
     @cached_property
     def sanitize_text_table(self):
-        return self._make_trans_table(self.get('tabwidth'))
+        return self._make_trans_table(self.get('tabwidth'), False)
     @cached_property
     def sanitize_header_table(self):
-        return self._make_trans_table(1)
+        return self._make_trans_table(1, True)