David,

how big is the chance that FormatterToXML gets a new member variable:
XalanDOMChar   m_indentChar;

which is default initialized with XalanUnicode::charSpace and a public member 
function:

void setIndentChar(XalanDOMChar ch);

This way the printSpace member function would call accumContent(m_indentChar) 
instead of
accumContent(XalanUnicode::charSpace):

void
FormatterToXML::printSpace(int n)
{
    for (int i = 0;  i < n;  i ++)
    {
                accumContent(m_indentChar);
    }
}

I think this change is minimal to the lib, but can bring some performance and 
size benefits. I can
post later what was the size change

Here a user only needs to set setIndent(1) and as character charHTab.

Many Thanks,
Ovanes.

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