Revise chomp and fold settings in reference documentation

This commit overrides the `chomp` and `fold` settings for
spring-asciidoctor-backends on a per-block basis.

Closes gh-30001

framework-docs/src/docs/asciidoc/languages/dynamic-languages.adoc

@@ -33,7 +33,7 @@ implement. Note that this interface is defined in plain Java. Dependent objects
 are injected with a reference to the `Messenger` do not know that the underlying
 implementation is a Groovy script. The following listing shows the `Messenger` interface:
 
-[source,java,indent=0,subs="verbatim,quotes"]
+[source,java,indent=0,subs="verbatim,quotes",chomp="-packages"]
 ----
 	package org.springframework.scripting;
 
@@ -45,7 +45,7 @@ implementation is a Groovy script. The following listing shows the `Messenger` i
 
 The following example defines a class that has a dependency on the `Messenger` interface:
 
-[source,java,indent=0,subs="verbatim,quotes"]
+[source,java,indent=0,subs="verbatim,quotes",chomp="-packages"]
 ----
 	package org.springframework.scripting;
 
@@ -65,7 +65,7 @@ The following example defines a class that has a dependency on the `Messenger` i
 
 The following example implements the `Messenger` interface in Groovy:
 
-[source,groovy,indent=0,subs="verbatim,quotes"]
+[source,groovy,indent=0,subs="verbatim,quotes",chomp="-packages",fold="none"]
 ----
 	package org.springframework.scripting.groovy
 
@@ -275,7 +275,7 @@ surrounded by quotation marks. The following listing shows the changes that you
 (the developer) should make to the `Messenger.groovy` source file when the
 execution of the program is paused:
 
-[source,groovy,indent=0,subs="verbatim,quotes"]
+[source,groovy,indent=0,subs="verbatim,quotes",chomp="-packages"]
 ----
 	package org.springframework.scripting
 
@@ -362,7 +362,7 @@ constructors and properties 100% clear, the following mixture of code and config
 does not work:
 
 .An approach that cannot work
-[source,groovy,indent=0,subs="verbatim,quotes"]
+[source,groovy,indent=0,subs="verbatim,quotes",chomp="-packages"]
 ----
 	package org.springframework.scripting.groovy
 
@@ -419,7 +419,7 @@ If you have read this chapter straight from the top, you have already
 <<dynamic-language-a-first-example, seen an example>> of a Groovy-dynamic-language-backed
 bean. Now consider another example (again using an example from the Spring test suite):
 
-[source,java,indent=0,subs="verbatim,quotes"]
+[source,java,indent=0,subs="verbatim,quotes",chomp="-packages"]
 ----
 	package org.springframework.scripting;
 
@@ -431,7 +431,7 @@ bean. Now consider another example (again using an example from the Spring test
 
 The following example implements the `Calculator` interface in Groovy:
 
-[source,groovy,indent=0,subs="verbatim,quotes"]
+[source,groovy,indent=0,subs="verbatim,quotes",chomp="-packages"]
 ----
 	package org.springframework.scripting.groovy
 
@@ -456,7 +456,7 @@ The following bean definition uses the calculator defined in Groovy:
 
 Finally, the following small application exercises the preceding configuration:
 
-[source,java,indent=0,subs="verbatim,quotes"]
+[source,java,indent=0,subs="verbatim,quotes",chomp="-packages"]
 ----
 	package org.springframework.scripting;
 
@@ -595,7 +595,7 @@ Now we can show a fully working example of using a BeanShell-based bean that imp
 the `Messenger` interface that was defined earlier in this chapter. We again show the
 definition of the `Messenger` interface:
 
-[source,java,indent=0,subs="verbatim,quotes"]
+[source,java,indent=0,subs="verbatim,quotes",chomp="-packages"]
 ----
 	package org.springframework.scripting;
 
@@ -675,7 +675,7 @@ beans, you have to enable the "`refreshable beans`" functionality. See
 The following example shows an `org.springframework.web.servlet.mvc.Controller` implemented
 by using the Groovy dynamic language:
 
-[source,groovy,indent=0,subs="verbatim,quotes"]
+[source,groovy,indent=0,subs="verbatim,quotes",chomp="-packages"]
 ----
 	package org.springframework.showcase.fortune.web