Redmine

"""
Using the tag in forum after the close of the next line also falls into the selection.
@For example, here, this line of code is written as
But beyond this tag
"""

I can't see an error in this line, as lines separated by only one newline are considered to be in the same paragraph, and the globbing used to find the string enclosed in @'s is greedy in the paragraph. If you want the lines to be independent, separate them with 2 newlines:

"""
Using the tag @ in forum after the close of the next line also falls into the selection.

For example, here, this line of code is written as

But beyond this tag
"""