Collapsing level 88 items

Collapsing the level 88 items can be used to suppress, potentially many and not very useful declarations, from the display. By placing the cursor on the minus sign immediately ahead of the "Collapse level 88" heading in Figure 1 and pressing Enter, the display is changed to that shown in Figure 1:
Figure 1. Sample Associated Storage Areas display with level 88 items collapsed
  File  View  Services  Help
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Event 1 Program COBLVL88 Storage Areas                         Line 1 Col 1 80
Command ===> ________________________________________________ Scroll ===> CSR 
JOBNAME: COBLVL88 SYSTEM ABEND: 0CB FAE1 2019/06/24 14:22:45 Task Global Table (TGT) at address 17096448 for length 344 WORKING-STORAGE SECTION - Collapse hex + Expand level 88 Off Hex Value Data Value Source (Starting a BLW=0000 at address 170BA0D0 0 E6D6D9D2 C9D5C760 E2E3D6D9 C1C7C540 *WORKING-STORAGE * 01 FILLER 10 40404040 * * Suppressed Copybook 2E8 00000000 *.... * 01 FIELD-1 2F0 00000000 0 01 FIELD-2 2F8 00000000 0000 *...... * 01 FIELD-3 01 TABLE-4. 03 TABLE-8 O 04 TABLE-8A 300 426F1C29 1.111100e+02 05 ELEMENT- 304 00000000 *.... * 05 ELEMENT- Level 88 Items ELEMENT- 314 00000000 *.... * 05 ELEMENT- 318 00000000 0 05 ELEMENT-
Note that the minus sign point-and-shoot field, now immediately ahead of the "Expand level 88" heading, has changed to a plus sign, and that if placing the cursor on this point-and-shoot field, the display changes back to the first display with level 88 items inlined.
Placing the cursor on the "Level 88 Items" point-and-shoot field, and pressing Enter, results in the display shown in Figure 2.
Figure 2. Sample level 88 items display
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Level 88 Items                                                 Line 1 Col 1 80
Command ===> ________________________________________________ Scroll ===> CSR 
JOBNAME: COBLVL88 SYSTEM ABEND: 0CB FAE1 2019/06/24 14:22:45 Source 88 JACK VALUE 'JACK'. 88 JILL VALUE 'JILL'. *** Bottom of data.
Press PF3 to return to the associated storage areas display.

The last selected "Collapse/Expand level 88" option is saved in the user's ISPF profile and is used as the default display mode on subsequent Associated Storage Areas displays.