Description of problem:
grep doesn't seem to be case sensitive on a range pattern anchored to
the end of the line (i.e. '[A-Z]$' or '[a-z]]$').

Version-Release number of selected component (if applicable):
grep-2.5.1-16


How reproducible: Always


Steps to Reproduce:
1. Create a file (t.txt) that has the following in lines in it:
This is
a
Test of GREP
to seE
if its
working
12345
Another linE


2. run the command:
grep '[A-Z]$' t.txt

3. run the command:
grep '[ABCDEFGHIJKLMNOPQRSTUVWXYZ]$' t.txt

4. run the command:
grep '[A-P]$' t.txt 

5. run the commnad:
grep '[ABCDEFGHIJKLMNOP]$' t.txt

Actual results:
[rds@rdsone ietmcm]$ grep '[A-Z]$' t.txt                  
This is
Test of GREP
to seE
if its
working
Another linE
[rds@rdsone ietmcm]$ grep '[ABCDEFGHIJKLMNOPQRSTUVWXYZ]$' t.txt
Test of GREP
to seE
Another linE
[rds@rdsone ietmcm]$ grep '[A-P]$' t.txt
Test of GREP
to seE
working
Another linE
[rds@rdsone ietmcm]$ grep '[ABCDEFGHIJKLMNOP]$' t.txt
Test of GREP
to seE
Another linE


Expected results:
[rds@rdsone ietmcm]$ grep '[A-Z]$' t.txt                  
Test of GREP
to seE
Another linE
[rds@rdsone ietmcm]$ grep '[ABCDEFGHIJKLMNOPQRSTUVWXYZ]$' t.txt
Test of GREP
to seE
Another linE
[rds@rdsone ietmcm]$ grep '[A-P]$' t.txt
Test of GREP
to seE
Another linE
[rds@rdsone ietmcm]$ grep '[ABCDEFGHIJKLMNOP]$' t.txt
Test of GREP
to seE
Another linE


Additional info: none