src/popupwin.c
int
parse_previewpopup(win_T *wp)
{
    return parse_popup_option(wp, TRUE);
}
/*
 * Parse the 'previewpopup' option and apply the values to window "wp" if it
 * is not NULL.
 * Return FAIL if the parsing fails.
 */
Parse the 'previewpopup' option and apply the values to window "wp" if it
is not NULL.
Return FAIL if the parsing fails.
Parse the ' previewpopup ' option and apply the values to window " wp " if it is not NULL . Return FAIL if the parsing fails .
int
parse_previewpopup(win_T *wp)
{
    return parse_popup_option(wp, TRUE);
}
int parse_previewpopup ( win_T * wp ) { return parse_popup_option ( wp , TRUE ) ; }
Parse the 'previewpopup' option and apply the values to window "wp" if it
 is not NULL.
Parse the ' previewpopup ' option and apply the values to window " wp " if it is not NULL .