Set size of the proportional font (WinHelp4 only).
| Type & position: | command, preamble | 
| Syntax: | !wh4_propfont_size <value> | 
| Description: | With this command you can set the font that will be used to display text inside a Windows Help hypertext. The default is 8pt. | 
| Example: | !wh4_propfont_size 10 | 
| Exists since: | Release 6 Patchlevel 15 | 
| See also: | !wh4_propfont |