buildmimetree.py: make kill-line a constant

diff --git a/.config/neomutt/buildmimetree.py b/.config/neomutt/buildmimetree.py
index f4ee8216439436c3cc43310e30b31beffadaae73..3528b06103d48bddcde0a00558d31981de2c4583 100755 (executable)
--- a/.config/neomutt/buildmimetree.py
+++ b/.config/neomutt/buildmimetree.py
@@ -476,6 +476,8 @@ def do_massage(
         depth-first, and responsible for telling NeoMutt how to assemble
         the tree.
         """
+        KILL_LINE=r'\Ca\Ck'
+
         if isinstance(item, Part):
             # We've hit a leaf-node, i.e. an alternative or a related part
             # with actual content.
@@ -496,7 +498,7 @@ def do_massage(
             # information, then we might just as well update the NeoMutt
             # tree now:
             if item.cid:
-                cmds.push(f"<edit-content-id>\\Ca\\Ck{item.cid}<enter>")
+                cmds.push(f"<edit-content-id>{KILL_LINE}{item.cid}<enter>")
 
         elif isinstance(item, Multipart):
             # This node has children, but we already visited them (see
@@ -516,7 +518,7 @@ def do_massage(
 
         # If the item has a description, we might just as well add it
         if item.desc:
-            cmds.push(f"<edit-description>\\Ca\\Ck{item.desc}<enter>")
+            cmds.push(f"<edit-description>{KILL_LINE}{item.desc}<enter>")
 
         # Finally, if we're at non-root level, tag the new container,
         # as it might itself be part of a container, to be processed