Atom specifiers not selecting upper case chain IDs

[Scooter Morris]

The following bug report has been submitted:
Platform:        Darwin-17.7.0-x86_64-i386-64bit
ChimeraX Version: 0.8 (2018-11-06)
Description
Opened 5MRC, and attempted to select /A (or /W or many others) and get "Nothing selected".

Log:
UCSF ChimeraX version: 0.8 (2018-11-06)  
How to cite UCSF ChimeraX  

> open 5mrc

Summary of feedback from opening 5mrc fetched from pdb  
---  
notes | Fetching compressed mmCIF 5mrc from
http://files.rcsb.org/download/5mrc.cif  
Fetching CCD UNK from http://ligand-expo.rcsb.org/reports/U/UNK/UNK.cif  
Fetching CCD NA from http://ligand-expo.rcsb.org/reports/N/NA/NA.cif  
Fetching CCD GDP from http://ligand-expo.rcsb.org/reports/G/GDP/GDP.cif  
  
5mrc title:  
Structure of the yeast mitochondrial ribosome - Class A [more info...]  
  
Chain information for 5mrc #1  
---  
Chain | Description  
0 | bL36m  
1 | mL38  
11 | mS38  
2 | mL40  
22 | mS41  
3 | mL41  
33 | mS42  
4 | mL43  
44 | mS43  
5 | mL44  
55 | mS44  
6 | mL46  
66 | mS45  
7 | mL49  
77 | mS46  
8 | mL50  
88 | mS47  
9 | mL57  
A | 21S ribosomal RNA  
AA | bS1m  
B | uL2m  
BB | uS2m  
C | uL3m  
CC | uS3m  
D | uL4m  
DD | uS4m  
E | uL5m  
EE | uS5m  
F | uL6m  
FF | bS6m  
G | bL9m  
GG | uS7m  
H | uL13m  
HH | uS8m  
I | uL14m  
II | uS9m  
J | uL15m  
JJ | uS10m  
K | uL16m  
KK | uS11m  
L | bL17m  
LL | uS12m  
M | bL19m  
MM | uS13m  
N | bL21m  
NN | uS14m  
O | uL22m  
OO | uS15m  
P | uL23m  
PP | bS16m  
Q | uL24m  
QQ | uS17m  
R | bL27m  
RR | bS18m  
S | bL28m  
SS | uS19m  
T | uL29m  
TT | bS21m  
U | uL30m  
UU | mS23  
V | bL31m  
VV | mS26  
W | bL32m  
WW | mS29  
X | bL33m  
XX | mS33  
Y | bL34m  
YY | mS35  
Z | bL35m  
ZZ | mS37  
a | mL58  
aa | 15S ribosomal RNA  
b | mL59  
bb | tRNA  
c | mL60  
cc | unknown protein sequence 1  
d | mL67  
dd | unknown protein sequence 2  
  
  

> select /A

Nothing selected  

QLineEdit::setSelection: Invalid start position (-1)  

> select /a

59219 atoms, 65988 bonds, 2574 pseudobonds, 3 models selected  

> select /W

Nothing selected  

> select /"W"

Nothing selected  

> select #1/W

Nothing selected  

> sequence chain #1/W

Chains must have same sequence  

Chains must have same sequence  

> select up

20 atoms, 21 bonds selected  

> select up

57598 atoms, 64517 bonds selected  

Missing or invalid "representation" argument: Expected one of 'atoms',
'ladder', 'slab', 'stubs', or 'tube/slab'  

> help nucleotide

> ribbon sel

> hide selAtoms

> select protein

110036 atoms, 112213 bonds, 41 pseudobonds, 1 model selected  

> hide selAtoms surfaces

> show selAtoms surfaces

> hide selAtoms

> select up

22 atoms, 24 bonds selected  

> select up

31883 atoms, 35699 bonds selected  

> show selAtoms ribbons

> hide selAtoms

> color grey surfaces




OpenGL version: 4.1 ATI-1.68.20
OpenGL renderer: AMD Radeon Pro 555X OpenGL Engine
OpenGL vendor: ATI Technologies Inc.

[pett]

Duplicate of #1429