35 eqn_box(struct html *p, const struct eqn_box *bp)  in eqn_box()  argument
44 	if (NULL == bp)  in eqn_box()
53 	if (EQN_MATRIX == bp->type) {  in eqn_box()
54 		if (NULL == bp->first)  in eqn_box()
56 		if (bp->first->type != EQN_LIST ||  in eqn_box()
57 		    bp->first->expectargs == 1) {  in eqn_box()
58 			eqn_box(p, bp->first);  in eqn_box()
61 		if (NULL == (parent = bp->first->first))  in eqn_box()
71 			parent = bp->first->first;  in eqn_box()
96 	switch (bp->pos) {  in eqn_box()
125 	if (bp->top || bp->bottom) {  in eqn_box()
127 		if (bp->top && NULL == bp->bottom)  in eqn_box()
129 		else if (bp->top && bp->bottom)  in eqn_box()
131 		else if (bp->bottom)  in eqn_box()
135 	if (EQN_PILE == bp->type) {  in eqn_box()
137 		if (bp->first != NULL &&  in eqn_box()
138 		    bp->first->type == EQN_LIST &&  in eqn_box()
139 		    bp->first->expectargs > 1)  in eqn_box()
141 	} else if (bp->type == EQN_LIST && bp->expectargs > 1 &&  in eqn_box()
142 	    bp->parent && bp->parent->type == EQN_PILE) {  in eqn_box()
148 	if (bp->text != NULL) {  in eqn_box()
151 		cp = bp->text;  in eqn_box()
175 		font = bp->font;  in eqn_box()
176 		if (bp->text[0] != '\0' &&  in eqn_box()
179 		     (tag == TAG_MI && font == (bp->text[1] == '\0' ?  in eqn_box()
199 		print_text(p, bp->text);  in eqn_box()
201 		if (NULL != bp->left || NULL != bp->right)  in eqn_box()
203 			    "open", bp->left == NULL ? "" : bp->left,  in eqn_box()
204 			    "close", bp->right == NULL ? "" : bp->right);  in eqn_box()
211 	eqn_box(p, bp->first);  in eqn_box()
214 	if (NULL != bp->bottom) {  in eqn_box()
216 		print_text(p, bp->bottom);  in eqn_box()
219 	if (NULL != bp->top) {  in eqn_box()
221 		print_text(p, bp->top);  in eqn_box()
228 	eqn_box(p, bp->next);  in eqn_box()
232 print_eqn(struct html *p, const struct eqn_box *bp)  in print_eqn()  argument
236 	if (bp->first == NULL)  in print_eqn()
242 	eqn_box(p, bp);  in print_eqn()