On hitting CTRL+, (comma) + <number>

• the tag with the corresponding number gets inserted from the source to the current cursor position of the target.
• if the tag number corresponds to a pair of opening and closing tags, the opening one gets inserted, if it is not inserted so far. Else the closing tag is inserted.
• if all tags of the corresponding tag number are inserted, a message informs the user about this, if he presses the combination again.
  On hitting CTRL+SHIFT+,(comma)+<number> cop
  A tool tip on the source column cell of the opened row editor says:

  CTRL + INS copies source to target.

  CTRL + , (comma) + <number> copies corresponding tag to target (zero equals number 10)

  CTRL + SHIFT + , (comma) + <number>" copies tag numbers 11 to 20 to target.