XEROF

xlsgen 4.9 improves PDF output in the following ways :

Unicode fonts : prior to this, only ANSI characters in Excel files would be encoded correctly in PDF files. That would leave much of eastern languages unsupported. With Unicode fonts, PDF files use whatever character from whatever encoding.

Font embedding : the embedding of the subset of fonts actually used in the Excel file ensures that PDF readers can accurately display characters for viewing and printing purposes. This is activated by default, meaning that such PDF files are bigger in size from those not embedding the fonts. For this reason, font embedding can be disabled by setting the boolean value to the corresponding export option :
C/C++ code
worksheet->Export->Options->FontEmbedding = FALSE;

improved character spacing : even though PDF is character-based, fonts are not. Accurate spacing depends on actual glyph bounding boxes and this is taken care of to improve the reading of words in PDF files.