(C) 1997 Rick Jelliffe: Not for publication in any printed form
whatsoever.
Online use and distribution is permitted.
Here is a summary of the special characters available to force particular spacing and breaking effects:
| ISO Entity | SPREAD Entity | XML Numeric Character Reference |
Description |
| - | - | - | Hyphen or minus (ambiguous) |
| ‐ | &U2010; | ‐ | Hyphen |
| &U2011; | ‑ | Non-breaking hyphen | |
| − | &U2212; | − | Minus |
| ­ | &U00AD; | &#AD; | Soft hyphen |
| &zwsp; (non-standard) |
&U200B; | ​ | Zero-width space a soft word-break (i.e. a point where a line break can occur without causing a hyphen to appear |
| &zwnbsp; (non-standard) |
&UFEFF; |  | Zero-width non-breaking space (i.e. line break suppression) |
| |
&U00A0; |   | Non-breaking space |
| &U2000; |   | En quad (fixed width) |
|
| &U2001; |   | Em quad (fixed width) |
|
|   | &U2002; |   | En space |
|   | &U2003; |   | Em space |
|   |
&U2007; |   | Digit space |
|   | &U2008; |   | Punctuation space |
|   | &U2009; |   | Thin space |
| (Similar to HTML <BR> tag, as far as presentation) |
&U2028; | 
 | Hard return |
| (Similar to HTML <P> tag, as far as presentation) |
&U2029; | 
 | Paragraph separator |
| &ispace; (non-standard) |
&U3000; | 　 | Ideographic space (not collapseable) |