make liberal use of LF escapes

COMMAND-Conditional.md

@@ -5,7 +5,10 @@ There are the `if` and `branch` commands to implement conditional execution of o
 The following example shows a method definition, using `if` with `(…)` syntax for its arguments:
 
 ```ini
-# COMMAND: Return path to item data (never empty, unlike `d.base_path`)
+# COMMAND: Return path to item data (never empty, unlike `d.base_path`);
+#          multi-file items return a path ending with a '/'. 
 method.insert = d.data_path, simple,\
-    "if=(d.is_multi_file), (cat, (d.directory)), (cat, (d.directory), /, (d.name))"
+    "if=(d.is_multi_file),\
+        (cat, (d.directory), /),\
+        (cat, (d.directory), /, (d.name))"
 ```