2 files changed, 18 insertions, 14 deletions

diff --git a/doc/Issue-230524-1-diffs.html b/doc/Issue-230524-1-diffs.html
index 6420561..90c26a6 100644
--- a/doc/Issue-230524-1-diffs.html
+++ b/doc/Issue-230524-1-diffs.html
@@ -10,7 +10,6 @@
  <div class="contentwrapper">
  <div class="content">
 
-
 <h1>Chapter 2: General Description</h1>
 <h2><del>2.5 DWARF Expressions [Now Chapter 3]</del></h2>
 <h2><del>2.6 Location Descriptions [Now Chapter 3]</del></h2>
@@ -858,8 +857,9 @@ no operations. It represents a piece or all of an object that is present
 in the source but not in the object code (perhaps due to optimization).</del></p>
 <p><ins>An undefined location represents a piece
 or all of an object that is present in the source but not in
-the object code (perhaps due to optimization). An undefined
-location cannot be read from or written to.</ins></p>
+the object code (perhaps due to optimization).
+An undefined location cannot be read.
+Writing to undefined storage has no effect.</ins></p>
 <ol>
 <li>
 <p><ins><code>DW_OP_undefined</code></ins><br />
diff --git a/md/issues/230524.1.md b/md/issues/230524.1.md
index 6f136d0..12f5a2a 100644
--- a/md/issues/230524.1.md
+++ b/md/issues/230524.1.md
@@ -3,7 +3,7 @@ Author: Tony Tye, Cary Coutant
 Email: ccoutant@gmail.com
 Champion: Cary Coutant
 Submit-Date: 2023-05-24
-Revised-Date: 2025-10-13
+Revised-Date: 2025-10-23
 Closed-Date: 2025-10-13
 Propid: 230524.1
 Type: Enhancement
@@ -694,7 +694,8 @@ Insert the following (adapted from Section 2.6.1.1.1):
 > An undefined location represents a piece or all of an object that is
 > present in the source but not in the object code (perhaps due to
 > optimization).
-> An undefined location cannot be read from or written to.
+> An undefined location cannot be read.
+> Writing to undefined storage has no effect.
 
 > 1. `DW_OP_undefined`
 >
@@ -1143,7 +1144,7 @@ attribute."
 Remove the third (non-normative) paragraph.
 
 
-### Section 5.7.6 Data Member Entries
+### Section 5.7.6 Data Member Entries [becomes 6.7.6]
 
 In the description for `DW_AT_data_member_location`, change
 the first paragraph of the second bullet to:
@@ -1169,7 +1170,7 @@ _Remove_ the second non-normative paragraph:
 > in an entity that is not byte aligned because DWARF operations do not
 > allow for manipulating or computing bit offsets.*</span>
 
-### Section 5.7.8 Member Function Entries
+### Section 5.7.8 Member Function Entries [becomes 6.7.8]
 
 Replace the paragraph describing `DW_AT_vtable_elem_location` with:
 
@@ -1181,7 +1182,7 @@ Replace the paragraph describing `DW_AT_vtable_elem_location` with:
 > type is pushed onto the expression stack before the location
 > expression is evaluated.
 
-### Section 5.14 Pointer to Member Type Entries
+### Section 5.14 Pointer to Member Type Entries [becomes 6.14]
 
 In the paragraph beginning “The pointer to member entry has a
 `DW_AT_use_location` attribute...”, replace “location description”
@@ -1200,7 +1201,7 @@ Replace the paragraph beginning “The `DW_AT_use_location` description...” wi
 > is being calculated.
 
 
-### Section 6.4.1 Structure of Call Frame Information
+### Section 6.4.1 Structure of Call Frame Information [becomes 7.4.1]
 
 For the "expression(E)" register rule, change the description to:
 
@@ -1208,7 +1209,7 @@ For the "expression(E)" register rule, change the description to:
 > by executing the DWARF expression E (see Chapter 3).
 
 
-### Section 7.5.5 Classes and Forms
+### Section 7.5.5 Classes and Forms [becomes 8.5.5]
 
 Replace the `locdesc` bullet with the following:
 
@@ -1220,13 +1221,13 @@ Replace the `locdesc` bullet with the following:
 
 Rename `DW_FORM_exprloc` to `DW_FORM_expression`.
 
-### Section 7.7 DWARF Expressions <span class="del">and Location Descriptions</span>
+### Section 7.7 DWARF Expressions <span class="del">and Location Descriptions</span> [becomes 8.7]
 
-Rename Section 7.7 to "DWARF Expressions."
+Rename Section 7.7 [8.7] to "DWARF Expressions."
 
-### Section 7.7.1 DWARF Expressions
+### Section 7.7.1 DWARF Expressions [becomes 8.7.1]
 
-Add to Table 7.9:
+Add to Table 7.9 [8.9]:
 
 > No. of
 > Operation Code Operands Notes
@@ -1339,3 +1340,6 @@ sub-location is another composite.
 Adjust wording in Section 6.14 referring to “elements” pushed on the stack.
 
 2025-10-13: Accepted.
+
+2025-10-23: [Editorial] Added notations showing new chapter numbers after Chapter 3.
+Updated Section 3.9 to agree with Section 2.5 regarding writing to undefined locations.