Extraneous Guide Indicators

[brodieG]

No reason why the first four rows should have those guide indicators.

@@ 6,7 @@                  @@ 6,7 @@
~              a       b  ~              a       b
~      1:      33  634210  ~      1:      33  634210
~      2:      36 1482417  ~      2:      36 1482417
~      3:      36 1780723  ~      3:      36 1780723
~      4:      41  632675  ~      4:      41  632675
       5:      41 1930773         5:      41 1930773
      ---                        ---
~                          > 271213: 2082200  933667
  279788: 2082200 1072884    271214: 2082200 1072884
  279789: 2082205  335516    271215: 2082205  335516
< 279790: 2082205 1143474  ~
  279791: 2082245  650932    271216: 2082245  650932
  279792: 2082245 1328909    271217: 2082245 1328909

[brodieG]

reprex:

library(data.table)
DT1 <- data.table(a=1:20, b=1:20)
DT2 <- data.table(a=1:20, b=1:20)
DT2[18, a:=99]

diffPrint(DT1, DT2)

[brodieG]

This is happening because of the leading spaces in the rownames in data tables. We need better logic for distinguishing the column header lines.