struts/ognl case sensitivity on bean names

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Before I redo all my forms, are there any case sensitivity rules on 
field names?

bean:

     private String myloc = "en_gb";
     private Boolean myLoc = Boolean.FALSE;

     public String getMyloc() {
         return myloc;
     }

     public void setMyloc(String myloc) {
         this.myloc = myloc;
     }

     public Boolean getMyLoc() {
         return myLoc;
     }

     public void setMyLoc(Boolean myLoc) {
         this.myLoc = myLoc;
     }

and in the jsp

<s:hidden name="personBean.myloc" value="en_gb" />
<s:checkbox name="personBean.myLoc" value="personBean.myLoc" 
submitUnchecked="true" label="myLoc" />

For example, it only sets / calls setMyloc(String myloc) with false when 
the checkbox is checked.

Although is says ognl is case sensitive?

I am sure this used to work.

###

Test :

https://github.com/gregh3269/struts-examples/tree/main-case

form-processing/test/register.action

Check with myLoc checkbox, unchecked it calls setMyloc(String myloc) 
correctly with en_gb, checked it incorrectly calls the same with false.

Thanks.

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