checkRd: (-1) nichevol_bars.Rd:80: Lost braces; missing escapes or markup?
    80 | \item if (ancestor == present & descendant == absent) {change <- "retraction"}
       |                                                       ^
checkRd: (-1) nichevol_bars.Rd:81: Lost braces; missing escapes or markup?
    81 | \item if (ancestor == present & descendant == present) {change <- "no_change"}
       |                                                        ^
checkRd: (-1) nichevol_bars.Rd:82: Lost braces; missing escapes or markup?
    82 | \item if (ancestor == present & descendant == unknown) {change <- "no_change"}
       |                                                        ^
checkRd: (-1) nichevol_bars.Rd:83: Lost braces; missing escapes or markup?
    83 | \item if (ancestor == absent & descendant == present) {change <- "expansion"}
       |                                                       ^
checkRd: (-1) nichevol_bars.Rd:84: Lost braces; missing escapes or markup?
    84 | \item if (ancestor == absent & descendant == absent) {change <- "no_change"}
       |                                                      ^
checkRd: (-1) nichevol_bars.Rd:85: Lost braces; missing escapes or markup?
    85 | \item if (ancestor == absent & descendant == unknown) {change <- "no_change"}
       |                                                       ^
checkRd: (-1) nichevol_bars.Rd:86: Lost braces; missing escapes or markup?
    86 | \item if (ancestor == unknown & descendant == absent) {change <- "no_change"}
       |                                                       ^
checkRd: (-1) nichevol_bars.Rd:87: Lost braces; missing escapes or markup?
    87 | \item if (ancestor == unknown & descendant == present) {change <- "no_change"}
       |                                                        ^
checkRd: (-1) nichevol_bars.Rd:88: Lost braces; missing escapes or markup?
    88 | \item if (ancestor == unknown & descendant == unknown) {change <- "no_change"}
       |                                                        ^
checkRd: (-1) nichevol_labels.Rd:70: Lost braces; missing escapes or markup?
    70 | \item if (ancestor == present & descendant == absent) {change <- "retraction"}
       |                                                       ^
checkRd: (-1) nichevol_labels.Rd:71: Lost braces; missing escapes or markup?
    71 | \item if (ancestor == present & descendant == present) {change <- "no_change"}
       |                                                        ^
checkRd: (-1) nichevol_labels.Rd:72: Lost braces; missing escapes or markup?
    72 | \item if (ancestor == present & descendant == unknown) {change <- "no_change"}
       |                                                        ^
checkRd: (-1) nichevol_labels.Rd:73: Lost braces; missing escapes or markup?
    73 | \item if (ancestor == absent & descendant == present) {change <- "expansion"}
       |                                                       ^
checkRd: (-1) nichevol_labels.Rd:74: Lost braces; missing escapes or markup?
    74 | \item if (ancestor == absent & descendant == absent) {change <- "no_change"}
       |                                                      ^
checkRd: (-1) nichevol_labels.Rd:75: Lost braces; missing escapes or markup?
    75 | \item if (ancestor == absent & descendant == unknown) {change <- "no_change"}
       |                                                       ^
checkRd: (-1) nichevol_labels.Rd:76: Lost braces; missing escapes or markup?
    76 | \item if (ancestor == unknown & descendant == absent) {change <- "no_change"}
       |                                                       ^
checkRd: (-1) nichevol_labels.Rd:77: Lost braces; missing escapes or markup?
    77 | \item if (ancestor == unknown & descendant == present) {change <- "no_change"}
       |                                                        ^
checkRd: (-1) nichevol_labels.Rd:78: Lost braces; missing escapes or markup?
    78 | \item if (ancestor == unknown & descendant == unknown) {change <- "no_change"}
       |                                                        ^