A small problem with XML in Android--the problem of using XML output "<" error

Source: Internet
Author: User

In XML, there are 5 predefined entity references:

&lt; < Less than
&gt; > Greater than
&amp; & and number
&apos; Single quotation marks
&quot; " Quotes

Note: In XML, only the characters "<" and "&" are really illegal . The greater than sign is legal, but it is a good practice to replace it with an entity reference.

Info from W3cschool

A small problem with XML in Android--the problem of using XML output "<" error

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