Use Ignore Placeholder Macro
Step 1.
Place an Ignore Placeholder Macro on a page and insert Placeholders that should be ignored during the copy process:

Step 2.
Instantiate the copy process:

Step 3.
Replace the Placeholders you defined in Step 1. All placeholders within the Ignore Placeholder Macro will not appear in the Replace Placeholders Dialog:

Step 4.
Finish the Copy Process, the Ignore Placeholder Macro remains with its content:
