move_mark_by_name
Description:
Moves the mark named name (which must exist) to location where.
See move_mark for details.
Parameters:
| this | |
| name | name of a mark | 
| where | new location for mark | 
Moves the mark named name (which must exist) to location where.
See move_mark for details.
| this | |
| name | name of a mark | 
| where | new location for mark |