46f86063_roofreading_training___symbols__The_mark_in_the_copy
[The instruction] Text to replace marked text [The mark in the margin] The new text [The mark in the copy] 
through the text
t h r o u g h t h e c h a r a c t e r
t h r o u g h t h e t e x t
Proofreading training - symbols
The mark in the copy