Merges the contents of <code>m</code>'s {@link IniSection} objects into self.
This differs from {@link Ini#putAll(Map)}, in that each section is merged with the existing one.
For example the following two ini blocks are merged and the result is the third<BR/>
<p>
Initial:
<pre>
<code>section1
key1 = value1
Merges the contents of <code>m</code>'s {@link IniSection} objects into self. This differs from {@link Ini#putAll(Map)}, in that each section is merged with the existing one. For example the following two ini blocks are merged and the result is the third<BR/> <p> Initial: <pre> <code>section1 key1 = value1
section2
key2 = value2 </code> </pre>
To be merged: <pre> <code>section1 foo = bar
section2
key2 = new value </code> </pre>
Result: <pre> <code>section1 key1 = value1 foo = bar
section2
key2 = new value </code> </pre>
</p>
@param m map to be merged @since 1.4