[bug-grep] grep -i --color <TEXT> bug when TEXT is not all lowercase

[Michael Durland]

I'm using grep version 2.5.1.  When passing an all uppercase (or
partial uppercase) string to grep -i --color, the matching text is not
highlighted in color.  When passing the same search string as all
lowercase, then the matching text is highlighted correctly.  I have
reproduced this on RedHat Linux 8, and Cygwin with grep version 2.5.
For example:
"grep -i --color TEXT file" does not highlight anything.
"grep -i --color text file" does highlight all case variations of text.
Both commands correctly return the right set of matching lines.  It is
only the --color option when combined with -i that has problems when
passed a string that has at least one uppercase letter.

Thanks,
Michael Durland
address@hidden




                
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