Symbol for Space

Symbol for Space at U+2420 is a visible marker that stands for an ordinary space character without actually being whitespace. It is part of the Control Pictures block, whose characters provide printable symbols for otherwise invisible controls and separators. Its main use is in documentation, teaching, and debugging, where showing the presence of spaces matters. Programming tutorials, text-processing guides, and editor manuals may use ␠ to explain patterns such as pressing the spacebar, distinguishing one space from two, or showing that a command contains a required blank between words. It also appears in typography and data-cleaning contexts as a diagnostic mark. Proofreaders, font testers, terminal displays, and log viewers may use it to make trailing spaces, alignment spaces, or accidental extra blanks visible. The practical gotcha is that this character is a printable symbol, not a real space, so replacing spaces with it changes the text rather than merely revealing hidden spacing.