Perform cleaninput() filtering without tr.

Again, Bash's global pattern substitution can be used. This only depends on the "extquote" shell option, which is set by default, but we set this just to be sure.

todo.sh

@@ -1,7 +1,7 @@
 #! /bin/bash
 
 # === HEAVY LIFTING ===
-shopt -s extglob
+shopt -s extglob extquote
 
 # NOTE:  Todo.sh requires the .todo/config configuration file to run.
 # Place the .todo/config file in your home directory or use the -d option for a custom location.
@@ -267,9 +267,9 @@ cleanup()
 
 cleaninput()
 {
-    # Cleanup the input
-    # Replace newlines with spaces Always
-    input=`printf %s "$input" | tr '\r\n' ' '`
+    # Replace CR and LF with space; tasks always comprise a single line.
+    input=${input//$'\r'/ }
+    input=${input//$'\n'/ }
 
     if [ "$1" = "for sed" ]; then
         # This action uses sed with "|" as the substitution separator, and & as