add correct linebreaks to usage output

examples/add

@@ -31,4 +31,4 @@ for n in "${NUMBERS[@]}"; do         # Use parsed positional argument array
     fi
 done
 
-echo "The sum is: $sftbf$sum$sftrs"  # Use text formatting variables
+echo "The sum is: $sftbf$sum$sftrs"  # Use text formatting variables

examples/greet

@@ -7,6 +7,9 @@
 # Declare sf variables
 sfdesc="Greet a person."
 
+sfargs+=("pretty-useless-flag;p;This is a pretty useless flag which is only used to show correct linebreaks of the usage. Change your terminal size and let this print again to see how the output adapts to your window")
+sfargs+=("ask-for-lastname;l;Ask for lastname")
+
 # Include sf, this could be replaced with a long oneliner
 source "$(dirname $0)/../sf"
 
@@ -14,14 +17,19 @@ source "$(dirname $0)/../sf"
 # Actual script
 # ----------------------
 
-sfget "Enter your name"                    # Get input
-echo "Hello ${sfin}!"                      # Use input
+sfget "Enter your name"                        # Get input
+echo "Hello ${sfin}!"                          # Use input
 
-sfask "Do you want to tell me your age"    # Ask for YES/no
-if [ "$sfin" == true ]; then               # Use answer
-    sfget "Enter your Age" "80"            # Get input with default value
-    sfask "Is $sfin really your age" "no"  # Use input and ask for yes/NO
-    if [ "$sfin" == true ]; then           # Use answer
+if [ "$ask_for_lastname" == true ]; then       # Use variable with underscores instead of dashes
+    sfget "Enter your lastname"                # Get input
+    echo "Ah I see, your lastname is ${sfin}"  # Use input
+fi
+
+sfask "Do you want to tell me your age"        # Ask for YES/no
+if [ "$sfin" == true ]; then                   # Use answer
+    sfget "Enter your Age" "80"                # Get input with default value
+    sfask "Is $sfin really your age" "no"      # Use input and ask for yes/NO
+    if [ "$sfin" == true ]; then               # Use answer
         echo "Great!"
     else
         echo "I knew it!"