Runs given shell \fIcmd\fP syncron and print the output into inputbox.
 Following pattern in \fIcmd\fP are expanded, '~username', '~/', '$VAR'
 and '${VAR}'. A '\\' before these patterns disables the expansion.
+
 .RS
+Note: The ":shellcmd" command cannot be followed by another command, since
+any '|' is considered part of the command.
 .PP
 .PD 0
 Following environment variables are set for called shell commands.
 
     {"register",         EX_REG,         ex_register,   EX_FLAG_NONE},
     {"save",             EX_SAVE,        ex_save,       EX_FLAG_RHS|EX_FLAG_EXP},
     {"set",              EX_SET,         ex_set,        EX_FLAG_RHS},
-    {"shellcmd",         EX_SHELLCMD,    ex_shellcmd,   EX_FLAG_RHS|EX_FLAG_EXP|EX_FLAG_BANG},
+    {"shellcmd",         EX_SHELLCMD,    ex_shellcmd,   EX_FLAG_CMD|EX_FLAG_EXP|EX_FLAG_BANG},
     {"shortcut-add",     EX_SCA,         ex_shortcut,   EX_FLAG_RHS},
     {"shortcut-default", EX_SCD,         ex_shortcut,   EX_FLAG_RHS},
     {"shortcut-remove",  EX_SCR,         ex_shortcut,   EX_FLAG_RHS},