Copying Lines Containing Only Operational Signs

If data in the marked area contains signs, such as +, -, =, or |, the signs are regarded as being ruled lines of the table. Once they are removed, only numeric data is copied.
Table 1. Table Data in Marked Area
  1 2 3 4
1990 60 -63 71 +58
1991 +69 69 90 80
1992 71 +80 80 -30
Table 2. Data Copied to Spreadsheet
  1 2 3 4
1990 60 -63 71 58
1991 69 69 90 80
1992 71 80 80 -30
To copy these signs without replacing them with null characters, add the following lines to the workstation profile:
[Edit]
MaskGridCharacter=N