(defun ppfc-html-labels (label name type formatter cdata print-func)
(vector-push-extend '(write-string "<span class=\"label\">" s) print-func)
- (vector-push-extend `(write-string ,label s) print-func)
+ (vector-push-extend `(when (stringp ,label) (write-string ,label s)) print-func)
(vector-push-extend '(write-string "</span> " s) print-func)
(ppfc-html label name type formatter cdata print-func))
(defun ppfc-xhtml-labels (label tag name type formatter cdata print-func)
(vector-push-extend '(write-string "<span class=\"label\">" s) print-func)
- (vector-push-extend `(write-string ,label s) print-func)
+ (vector-push-extend `(when (stringp ,label) (write-string ,label s)) print-func)
(vector-push-extend '(write-string "</span> " s) print-func)
(ppfc-html tag name type formatter cdata print-func))
(defun ppfc-xml-labels (label tag name type formatter cdata print-func)
(vector-push-extend '(write-string "<label>" s) print-func)
- (vector-push-extend `(write-string ,label s) print-func)
+ (vector-push-extend `(when (stringp ,label) (write-string ,label s)) print-func)
(vector-push-extend '(write-string "</label> " s) print-func)
(ppfc-xml tag name type formatter cdata print-func))
(defun ppfc-html-link (name type formatter cdata nlink print-func)
(declare (fixnum nlink))
(vector-push-extend '(write-char #\< s) print-func)
- (vector-push-extend `(write-string (nth ,(+ nlink nlink) links) s) print-func)
+ (vector-push-extend `(when (stringp (nth ,(+ nlink nlink) links))
+ (write-string (nth ,(+ nlink nlink) links) s)) print-func)
(vector-push-extend '(write-char #\> s) print-func)
(vector-push-extend `(write-ho-value x ',name ',type ',formatter ,cdata s) print-func)
(vector-push-extend '(write-string "</" s) print-func)
- (vector-push-extend `(write-string (nth ,(+ nlink nlink 1) links) s) print-func)
+ (vector-push-extend `(when (stringp (nth ,(+ nlink nlink 1) links))
+ (write-string (nth ,(+ nlink nlink 1) links) s)) print-func)
(vector-push-extend '(write-char #\> s) print-func))
(defun ppfc-html-link-labels (label name type formatter cdata nlink print-func)
(vector-push-extend '(write-string "<span class=\"label\">" s) print-func)
- (vector-push-extend `(write-string ,label s) print-func)
+ (vector-push-extend `(when (stringp ,label) (write-string ,label s)) print-func)
(vector-push-extend '(write-string "</span> " s) print-func)
(ppfc-html-link name type formatter cdata nlink print-func))