+#define PAIR_INIT(p, t, v) \
+ do { \
+ (p)->key = (t); \
+ (p)->val = (v); \
+ } while (/* CONSTCOND */ 0)
+
+#define PAIR_ID_INIT(p, v) PAIR_INIT(p, ATTR_ID, v)
+#define PAIR_CLASS_INIT(p, v) PAIR_INIT(p, ATTR_CLASS, v)
+#define PAIR_HREF_INIT(p, v) PAIR_INIT(p, ATTR_HREF, v)
+#define PAIR_STYLE_INIT(p, h) PAIR_INIT(p, ATTR_STYLE, (h)->buf)
+
+struct html {
+ int flags;
+#define HTML_NOSPACE (1 << 0) /* suppress next space */
+#define HTML_IGNDELIM (1 << 1)
+#define HTML_KEEP (1 << 2)
+#define HTML_PREKEEP (1 << 3)
+#define HTML_NONOSPACE (1 << 4) /* never add spaces */
+#define HTML_LITERAL (1 << 5) /* literal (e.g., <PRE>) context */
+#define HTML_SKIPCHAR (1 << 6) /* skip the next character */
+#define HTML_NOSPLIT (1 << 7) /* do not break line before .An */
+#define HTML_SPLIT (1 << 8) /* break line before .An */
+#define HTML_NONEWLINE (1 << 9) /* No line break in nofill mode. */
+ struct tagq tags; /* stack of open tags */
+ struct rofftbl tbl; /* current table */
+ struct tag *tblt; /* current open table scope */
+ char *base_man; /* base for manpage href */
+ char *base_includes; /* base for include href */
+ char *style; /* style-sheet URI */
+ char buf[BUFSIZ]; /* see bufcat and friends */
+ size_t buflen;
+ struct tag *metaf; /* current open font scope */
+ enum htmlfont metal; /* last used font */
+ enum htmlfont metac; /* current font mode */
+ int oflags; /* output options */
+#define HTML_FRAGMENT (1 << 0) /* don't emit HTML/HEAD/BODY */