If the original font included specific glyphs or ligatures that the substitute lacks, the document may display "tofu"—those empty rectangular boxes that signify missing data. The Philosophy of Compatibility
"The font '[Font Name]' is not available. Font substitution will occur. Do you want to continue?" PDF/Print Warning:
If he clicked , he would be signing a contract with the devil of default settings. The computer would look at the intricate, jagged serifs of the Gothic text and say, “Close enough,” before replacing them with the bland, smooth lines of Arial or Calibri.
Sometimes the font is actually installed, but the system’s font cache is corrupt. The software fails to locate it incorrectly.
