... defined
<#489#>Some of these constants may be undefined if they are not supported by your system<#489#>
...#math142#``#tex2html_wrap_inline2090#.unice.fr′′
<#991#>Port 13 is generally used for testing: making a connection to it permits to know the distant system's idea of the time of day.<#991#>
...1234
<#1404#>Under Unix, you can simply connect to listening socket with the <#1016#>telnet<#1016#> command. With the given example, this can be achived by typing the following command in a window shell:
<#1017#>$ telnet localhost 1234<#1017#><#1404#>
...#math143##tex2html_wrap_inline2100#string
<#1148#> Image creation is not yet implemented on all systems. The current version () allows image dumping only on some platforms: SunOs~4.1.x, Linux~1, FreeBsd<#1148#>