Possible site tag documentation updates for WW-5093.
- Minor updates to set, text and url tag text, to clarify scope and
behaviour.
- Minor clarifications on "accessing-application-session-request-objects",
plus a few other minor edits.
diff --git a/source/core-developers/accessing-application-session-request-objects.md b/source/core-developers/accessing-application-session-request-objects.md
index fb5cc75..1c53220 100644
--- a/source/core-developers/accessing-application-session-request-objects.md
+++ b/source/core-developers/accessing-application-session-request-objects.md
@@ -20,16 +20,16 @@
```java
Map attr = (Map) ActionContext.getContext().get("attr");
-attr.put("myId",myProp);
+attr.put("myId", myProp); // Page scope.
Map application = (Map) ActionContext.getContext().get("application");
-application.put("myId",myProp);
+application.put("myId", myProp);
Map session = (Map) ActionContext.getContext().get("session");
session.put("myId", myProp);
Map request = (Map) ActionContext.getContext().get("request");
-request.put("myId",myProp);
+request.put("myId", myProp);
```
> Do not use `ActionContext.getContext()` in the constructor of your Action class. The values may not be set up, and
@@ -50,16 +50,24 @@
## Accessing from the view (JSP, FreeMarker, etc.)
Request and session attributes are accessed via OGNL using the `#session` and `#request` stack values.
+Page attributes are accessed via OGNL using the `#attr` stack value, and Application attributes via
+the `#application` stack value.
The `#attr` stack value will search the `javax.servlet.jsp.PageContext` for the specified key. If the `PageContext`
-doean't exist, it will search the request, session, and application scopes, in that order.
+doesn't exist, it will search the request, session, and application scopes, in that order.
-**Accessing the Session or Request from a JSP**
+**Accessing attributes in the Application, Session, Request, or Page scope from a JSP**
```jsp
+Retrieve the attribute (property), with key myId, from the specified scope:
+
+<s:property value="#application.myId" />
+
<s:property value="#session.myId" />
<s:property value="#request.myId" />
<s:property value="#attr.myId" />
+
+Reminder: attr is for Page scope attributes first, but will search the remaining scopes, in order, seeking a match.
```
diff --git a/source/tag-developers/set-tag.md b/source/tag-developers/set-tag.md
index 58f3f07..32a9aac 100644
--- a/source/tag-developers/set-tag.md
+++ b/source/tag-developers/set-tag.md
@@ -25,9 +25,10 @@
- `session` - the value will be set in session scope according to servlet spec. using the name as key
- `request` - the value will be set in request scope according to servlet spec. using the name as key
- `page` - the value will be set in page scope according to servlet spec. using the name as key
-- `action` - the value will be set in the request scope and Struts' action context using the name as key
+- `action` - the value will be set in the page scope and Struts' action context using the name as key
-> **NOTE**: If no scope is specified, it will default to `action` scope.
+> **NOTE**: If no scope is specified, it will default to `action` scope. For the `set` tag **specifically**, this also
+> places (sets) the generated value into the `page` scope as well.
{% remote_file_content https://raw.githubusercontent.com/apache/struts/master/core/src/site/resources/tags/set-description.html %}
diff --git a/source/tag-developers/text-tag.md b/source/tag-developers/text-tag.md
index 5cce01b..fc81226 100644
--- a/source/tag-developers/text-tag.md
+++ b/source/tag-developers/text-tag.md
@@ -30,6 +30,9 @@
{% remote_file_content https://raw.githubusercontent.com/apache/struts/master/core/src/site/resources/tags/text-attributes.html %}
+> **NOTE**: When the `var` attribute is used with the `text` tag, the tag's generated value **will not** be written out to the
+> visible page (it will only be placed into the action scope).
+
## Examples
> Accessing messages from a given bundle (the i18n Shop example bundle in the first example) and using bundle defined
diff --git a/source/tag-developers/url-tag.md b/source/tag-developers/url-tag.md
index c66c081..37a4493 100644
--- a/source/tag-developers/url-tag.md
+++ b/source/tag-developers/url-tag.md
@@ -54,6 +54,9 @@
{% remote_file_content https://raw.githubusercontent.com/apache/struts/master/core/src/site/resources/tags/url-attributes.html %}
+> **NOTE**: When the `var` attribute is used with the `url` tag, the tag's generated URL value will be placed into the request scope
+> **in addition to** the action scope.
+
## Examples
```jsp
