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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2021-01-16 05:54:04 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2021-01-16 05:54:04 +0000
commit77ab6ed5ef1f461991eac129796fcfa887c3576e (patch)
treee8fe1108d51542456ec973b4adfaaf9ca2803752 /Build/source/texk/web2c/luatexdir
parent2787bcb50d7936fe64a7b4c389d373a432b8404d (diff)
sync with the upstream
git-svn-id: svn://tug.org/texlive/trunk@57441 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/luatexdir')
-rw-r--r--Build/source/texk/web2c/luatexdir/ChangeLog3
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/lnodelib.c6
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/ltexlib.c11
-rw-r--r--Build/source/texk/web2c/luatexdir/lua/luatex-api.h3
-rw-r--r--Build/source/texk/web2c/luatexdir/luatex_svnversion.h2
-rw-r--r--Build/source/texk/web2c/luatexdir/pdf/pdfgen.c11
-rw-r--r--Build/source/texk/web2c/luatexdir/pdf/pdflink.c10
-rw-r--r--Build/source/texk/web2c/luatexdir/pdf/pdflink.h1
-rw-r--r--Build/source/texk/web2c/luatexdir/pdf/pdflistout.c15
-rw-r--r--Build/source/texk/web2c/luatexdir/pdf/pdftables.c18
-rw-r--r--Build/source/texk/web2c/luatexdir/pdf/pdftypes.h1
-rw-r--r--Build/source/texk/web2c/luatexdir/tex/backend.c1
-rw-r--r--Build/source/texk/web2c/luatexdir/tex/dumpdata.c2
-rw-r--r--Build/source/texk/web2c/luatexdir/tex/errors.c9
-rw-r--r--Build/source/texk/web2c/luatexdir/tex/extensions.c4
-rw-r--r--Build/source/texk/web2c/luatexdir/tex/texnodes.c44
-rw-r--r--Build/source/texk/web2c/luatexdir/tex/texnodes.h11
17 files changed, 116 insertions, 36 deletions
diff --git a/Build/source/texk/web2c/luatexdir/ChangeLog b/Build/source/texk/web2c/luatexdir/ChangeLog
index b18c96f90f3..93bdcaf7da0 100644
--- a/Build/source/texk/web2c/luatexdir/ChangeLog
+++ b/Build/source/texk/web2c/luatexdir/ChangeLog
@@ -1,3 +1,6 @@
+2021-01-13 Luigi Scarso <luigi.scarso@gmail.com>
+ * pdftex compatibility hack (H. Hagen)
+
2020-12-13 Luigi Scarso <luigi.scarso@gmail.com>
* fixed Hyphenation issue regarding frozen glyph nodes (M.F. Krüger)
diff --git a/Build/source/texk/web2c/luatexdir/lua/lnodelib.c b/Build/source/texk/web2c/luatexdir/lua/lnodelib.c
index 7e76746037b..0cd68038415 100644
--- a/Build/source/texk/web2c/luatexdir/lua/lnodelib.c
+++ b/Build/source/texk/web2c/luatexdir/lua/lnodelib.c
@@ -6772,6 +6772,12 @@ static int lua_nodelib_setfield_whatsit(lua_State * L, int n, const char *s)
} else {
return nodelib_cantset(L, n, s);
}
+ } else if (t == pdf_link_state_node) {
+ if (lua_key_eq(s, value)) {
+ pdf_link_state(n) = (halfword) lua_tointeger(L, 3);
+ } else {
+ return nodelib_cantset(L, n, s);
+ }
} else if ((t == pdf_end_link_node) || (t == pdf_end_thread_node) || (t == save_pos_node) ||
(t == pdf_save_node) || (t == pdf_restore_node)) {
return nodelib_cantset(L, n, s);
diff --git a/Build/source/texk/web2c/luatexdir/lua/ltexlib.c b/Build/source/texk/web2c/luatexdir/lua/ltexlib.c
index deb77555178..6e19e0727bc 100644
--- a/Build/source/texk/web2c/luatexdir/lua/ltexlib.c
+++ b/Build/source/texk/web2c/luatexdir/lua/ltexlib.c
@@ -2668,10 +2668,21 @@ static int tex_hashpairs(lua_State * L)
while (cs < hash_size) {
s = hash_text(cs);
if (s > 0) {
+ halfword n = cs_next(cs);
char *ss = makecstring(s);
lua_pushstring(L, ss);
free(ss);
lua_rawseti(L, -2, ++nt);
+ while (n) {
+ s = cs_text(n);
+ if (s) {
+ ss = makecstring(s);
+ lua_pushstring(L, ss);
+ free(ss);
+ lua_rawseti(L, -2, ++nt);
+ }
+ n = cs_next(n);
+ }
}
cs++;
}
diff --git a/Build/source/texk/web2c/luatexdir/lua/luatex-api.h b/Build/source/texk/web2c/luatexdir/lua/luatex-api.h
index 06692cb0202..5f42bd5895c 100644
--- a/Build/source/texk/web2c/luatexdir/lua/luatex-api.h
+++ b/Build/source/texk/web2c/luatexdir/lua/luatex-api.h
@@ -1014,6 +1014,7 @@ make_lua_key(pdf_destination);\
make_lua_key(pdf_end_link);\
make_lua_key(pdf_end_thread);\
make_lua_key(pdf_link_data);\
+make_lua_key(pdf_link_state);\
make_lua_key(pdf_literal);\
make_lua_key(pdf_refobj);\
make_lua_key(pdf_restore);\
@@ -1715,6 +1716,7 @@ init_lua_key(pdf_destination);\
init_lua_key(pdf_end_link);\
init_lua_key(pdf_end_thread);\
init_lua_key(pdf_link_data);\
+init_lua_key(pdf_link_state);\
init_lua_key(pdf_literal);\
init_lua_key(pdf_refobj);\
init_lua_key(pdf_restore);\
@@ -2483,6 +2485,7 @@ use_lua_key(pdf_destination);
use_lua_key(pdf_end_link);
use_lua_key(pdf_end_thread);
use_lua_key(pdf_link_data);
+use_lua_key(pdf_link_state);
use_lua_key(pdf_literal);
use_lua_key(pdf_refobj);
use_lua_key(pdf_restore);
diff --git a/Build/source/texk/web2c/luatexdir/luatex_svnversion.h b/Build/source/texk/web2c/luatexdir/luatex_svnversion.h
index 1802d3b2cf2..0eb59f10988 100644
--- a/Build/source/texk/web2c/luatexdir/luatex_svnversion.h
+++ b/Build/source/texk/web2c/luatexdir/luatex_svnversion.h
@@ -1 +1 @@
-#define luatex_svn_revision 7395
+#define luatex_svn_revision 7397
diff --git a/Build/source/texk/web2c/luatexdir/pdf/pdfgen.c b/Build/source/texk/web2c/luatexdir/pdf/pdfgen.c
index 63736787ec5..ce610cb4925 100644
--- a/Build/source/texk/web2c/luatexdir/pdf/pdfgen.c
+++ b/Build/source/texk/web2c/luatexdir/pdf/pdfgen.c
@@ -916,6 +916,7 @@ void pdf_print_toks(PDF pdf, halfword p)
xfree(s);
}
+/*
void pdf_add_rect_spec(PDF pdf, halfword r)
{
pdf_add_bp(pdf, pdf_ann_left(r));
@@ -923,6 +924,16 @@ void pdf_add_rect_spec(PDF pdf, halfword r)
pdf_add_bp(pdf, pdf_ann_right(r));
pdf_add_bp(pdf, pdf_ann_top(r));
}
+*/
+
+void pdf_add_rect_spec(PDF pdf, halfword r)
+{
+ /* the check is now here */
+ pdf_add_bp(pdf, pdf_ann_left(r) < pdf_ann_right(r) ? pdf_ann_left(r) : pdf_ann_right(r));
+ pdf_add_bp(pdf, pdf_ann_bottom(r) < pdf_ann_top(r) ? pdf_ann_bottom(r) : pdf_ann_top(r));
+ pdf_add_bp(pdf, pdf_ann_left(r) < pdf_ann_right(r) ? pdf_ann_right(r) : pdf_ann_left(r));
+ pdf_add_bp(pdf, pdf_ann_bottom(r) < pdf_ann_top(r) ? pdf_ann_top(r) : pdf_ann_bottom(r));
+}
void pdf_rectangle(PDF pdf, halfword r)
{
diff --git a/Build/source/texk/web2c/luatexdir/pdf/pdflink.c b/Build/source/texk/web2c/luatexdir/pdf/pdflink.c
index 55521b17692..77b950adf25 100644
--- a/Build/source/texk/web2c/luatexdir/pdf/pdflink.c
+++ b/Build/source/texk/web2c/luatexdir/pdf/pdflink.c
@@ -29,6 +29,16 @@ with LuaTeX; if not, see <http://www.gnu.org/licenses/>.
*/
+void pdf_out_link_state(PDF pdf, halfword p)
+{
+ if (pdf_link_state(p) >= 0 && pdf_link_state(p) <= 1) {
+ pdf->link_state = pdf_link_state(p);
+ } else {
+ /* ignores so one can use them for whatever purpose */
+ }
+}
+
+
void push_link_level(PDF pdf, halfword p)
{
if (pdf->link_stack_ptr >= pdf_max_link_level)
diff --git a/Build/source/texk/web2c/luatexdir/pdf/pdflink.h b/Build/source/texk/web2c/luatexdir/pdf/pdflink.h
index 5b3d2042a80..ed96beab3dc 100644
--- a/Build/source/texk/web2c/luatexdir/pdf/pdflink.h
+++ b/Build/source/texk/web2c/luatexdir/pdf/pdflink.h
@@ -28,6 +28,7 @@
extern void push_link_level(PDF pdf, halfword p);
extern void pop_link_level(PDF pdf);
extern void do_link(PDF pdf, halfword p, halfword parent_box, scaledpos cur);
+extern void pdf_out_link_state(PDF pdf, halfword p);
extern void end_link(PDF pdf, halfword p);
extern void append_link(PDF pdf, halfword parent_box, scaledpos cur, small_number i);
extern void scan_startlink(PDF pdf);
diff --git a/Build/source/texk/web2c/luatexdir/pdf/pdflistout.c b/Build/source/texk/web2c/luatexdir/pdf/pdflistout.c
index 86567c1dc4e..02c7025c330 100644
--- a/Build/source/texk/web2c/luatexdir/pdf/pdflistout.c
+++ b/Build/source/texk/web2c/luatexdir/pdf/pdflistout.c
@@ -177,6 +177,7 @@ static void handle_backend_whatsit(PDF pdf, halfword p, halfword parent_box, sca
case pdf_refobj_node:
case pdf_end_link_node:
case pdf_end_thread_node:
+ case pdf_link_state_node:
backend_out_whatsit[subtype(p)](pdf, p);
break;
case pdf_annot_node:
@@ -254,8 +255,20 @@ void hlist_out(PDF pdf, halfword this_box, int rule_callback_id)
cur_s++;
backend_out_control[backend_control_push_list](pdf,&saved_pos,&saved_loc);
for (i = 1; i <= pdf->link_stack_ptr; i++) {
- if (pdf->link_stack[i].nesting_level == cur_s)
+ if (pdf->link_state == 1) {
+ /*
+ We ignore this link. This is a compatibility-with-pdftex feature needed for latex. It
+ is suboptimal in the sense that when the whatsit is set, the next box is influenced,
+ so there there can be side effects when used in the middle of a line, when using
+ vadjust, etc. But we can assume that tha macro package knows when and where this
+ mechanism is triggered, so a more sophisticated solution is not needed (and would be
+ confusing in its own anyway.)
+
+ I would not be surprised of we have some leak here but it's harmless.
+ */
+ } else if (pdf->link_stack[i].nesting_level == cur_s) {
append_link(pdf, this_box, cur, (small_number) i);
+ }
}
if (synctex) {
synctexhlist(this_box);
diff --git a/Build/source/texk/web2c/luatexdir/pdf/pdftables.c b/Build/source/texk/web2c/luatexdir/pdf/pdftables.c
index a97d0e39e85..2a02dcd98ec 100644
--- a/Build/source/texk/web2c/luatexdir/pdf/pdftables.c
+++ b/Build/source/texk/web2c/luatexdir/pdf/pdftables.c
@@ -224,8 +224,7 @@ void check_obj_type(PDF pdf, int t, int objnum)
void set_rect_dimens(PDF pdf, halfword p, halfword parent_box, scaledpos cur, scaled_whd alt_rule, scaled margin)
{
/*tex The positions relative to cur: */
- scaledpos ll, ur;
- scaledpos pos_ll, pos_ur, tmp;
+ scaledpos ll, ur, pos_ll, pos_ur;
posstructure localpos;
localpos.dir = pdf->posstruct->dir;
/*tex |pdf| contains current point on page: */
@@ -246,16 +245,11 @@ void set_rect_dimens(PDF pdf, halfword p, halfword parent_box, scaledpos cur, sc
pos_ll = localpos.pos;
synch_pos_with_cur(&localpos, pdf->posstruct, ur);
pos_ur = localpos.pos;
- if (pos_ll.h > pos_ur.h) {
- tmp.h = pos_ll.h;
- pos_ll.h = pos_ur.h;
- pos_ur.h = tmp.h;
- }
- if (pos_ll.v > pos_ur.v) {
- tmp.v = pos_ll.v;
- pos_ll.v = pos_ur.v;
- pos_ur.v = tmp.v;
- }
+ /*
+ The test for swapping has been moved to the moment we write the rectangle. This has to
+ do with the fact that we have code dealing with directions and that the |pdf_ann_*|
+ horizontal edges get recalculated in some places.
+ */
if (global_shipping_mode == SHIPPING_PAGE && matrixused()) {
matrixtransformrect(pos_ll.h, pos_ll.v, pos_ur.h, pos_ur.v);
pos_ll.h = getllx();
diff --git a/Build/source/texk/web2c/luatexdir/pdf/pdftypes.h b/Build/source/texk/web2c/luatexdir/pdf/pdftypes.h
index 67ffcbecb22..ad2465f5283 100644
--- a/Build/source/texk/web2c/luatexdir/pdf/pdftypes.h
+++ b/Build/source/texk/web2c/luatexdir/pdf/pdftypes.h
@@ -371,6 +371,7 @@ typedef struct pdf_output_file_ {
/* the pdf link stack */
pdf_link_stack_record link_stack[(pdf_max_link_level + 1)];
int link_stack_ptr;
+ int link_state;
/* the thread data */
int last_thread; /* pointer to the last thread */
scaled_whd thread;
diff --git a/Build/source/texk/web2c/luatexdir/tex/backend.c b/Build/source/texk/web2c/luatexdir/tex/backend.c
index d8c7daed251..3115a88a7e3 100644
--- a/Build/source/texk/web2c/luatexdir/tex/backend.c
+++ b/Build/source/texk/web2c/luatexdir/tex/backend.c
@@ -45,6 +45,7 @@ static void init_pdf_backend_functions(void)
p->whatsit_fu[pdf_setmatrix_node] = &pdf_out_setmatrix;
p->whatsit_fu[pdf_save_node] = &pdf_out_save;
p->whatsit_fu[pdf_restore_node] = &pdf_out_restore;
+ p->whatsit_fu[pdf_link_state_node] = &pdf_out_link_state;
p->control_fu[backend_control_push_list] = &pdf_push_list;
p->control_fu[backend_control_pop_list] = &pdf_pop_list;
p->control_fu[backend_control_begin_page] = &pdf_begin_page;
diff --git a/Build/source/texk/web2c/luatexdir/tex/dumpdata.c b/Build/source/texk/web2c/luatexdir/tex/dumpdata.c
index 215cd686fd2..e7d53050b29 100644
--- a/Build/source/texk/web2c/luatexdir/tex/dumpdata.c
+++ b/Build/source/texk/web2c/luatexdir/tex/dumpdata.c
@@ -32,7 +32,7 @@ with LuaTeX; if not, see <http://www.gnu.org/licenses/>.
*/
-#define FORMAT_ID (907+53)
+#define FORMAT_ID (907+54)
#if ((FORMAT_ID>=0) && (FORMAT_ID<=256))
#error Wrong value for FORMAT_ID.
#endif
diff --git a/Build/source/texk/web2c/luatexdir/tex/errors.c b/Build/source/texk/web2c/luatexdir/tex/errors.c
index 19be6570379..ce80df99e7e 100644
--- a/Build/source/texk/web2c/luatexdir/tex/errors.c
+++ b/Build/source/texk/web2c/luatexdir/tex/errors.c
@@ -290,7 +290,8 @@ static int Isspace (char c)
__attribute__ ((noreturn))
static void luatex_calledit (int baseptr, int linenumber)
{
- char *temp, *command, *fullcmd;
+ char *temp, *command;
+ char *fullcmd = NULL; /* avoid compiler warning */
char c;
int sdone, ddone, i;
char *filename = makecstring(input_stack[base_ptr].name_field);
@@ -442,7 +443,7 @@ void error(void)
/*tex Get user's advice and |return|. */
while (1) {
CONTINUE:
- /*tex
+ /*tex
Original reports:
https://tex.stackexchange.com/questions/551313/
@@ -455,7 +456,7 @@ void error(void)
selector from 16 to 15 in term_input, due to the lack of this check in
recursive error() call.
*/
- if (interaction !=error_stop_mode)
+ if (interaction !=error_stop_mode)
return;
clear_for_error_prompt();
prompt_input("? ");
@@ -986,7 +987,7 @@ void normal_warning(const char *t, const char *p)
new_line_char_par = 10;
report_id = callback_defined(show_lua_error_hook_callback);
if (report_id == 0) {
- if (p != NULL)
+ if (p != NULL)
tprint(p);
help2(
"The lua interpreter ran into a problem, so the",
diff --git a/Build/source/texk/web2c/luatexdir/tex/extensions.c b/Build/source/texk/web2c/luatexdir/tex/extensions.c
index 60deb747a85..19d4e444173 100644
--- a/Build/source/texk/web2c/luatexdir/tex/extensions.c
+++ b/Build/source/texk/web2c/luatexdir/tex/extensions.c
@@ -156,6 +156,10 @@ static void do_extension_pdf(int immediate)
new_whatsit(pdf_save_node);
} else if (scan_keyword("restore")) {
new_whatsit(pdf_restore_node);
+ } else if (scan_keyword("linkstate")) {
+ new_whatsit(pdf_link_state_node);
+ scan_int();
+ pdf_link_state(tail) = cur_val;
} else if (scan_keyword("setmatrix")) {
new_whatsit(pdf_setmatrix_node);
scan_toks(false, true);
diff --git a/Build/source/texk/web2c/luatexdir/tex/texnodes.c b/Build/source/texk/web2c/luatexdir/tex/texnodes.c
index 0d7bcd5dec2..02e117a876b 100644
--- a/Build/source/texk/web2c/luatexdir/tex/texnodes.c
+++ b/Build/source/texk/web2c/luatexdir/tex/texnodes.c
@@ -136,12 +136,14 @@ field_info node_fields_whatsit_pdf_end_thread[2];
field_info node_fields_whatsit_pdf_literal[4];
field_info node_fields_whatsit_pdf_refobj[3];
field_info node_fields_whatsit_pdf_restore[2];
+field_info node_fields_whatsit_pdf_link_state[3];
field_info node_fields_whatsit_pdf_save[2];
field_info node_fields_whatsit_pdf_setmatrix[3];
field_info node_fields_whatsit_pdf_start_link[8];
field_info node_fields_whatsit_pdf_start_thread[8];
field_info node_fields_whatsit_pdf_thread[8];
+
/*tex The values of fields. */
subtype_info node_values_dir[] = {
@@ -997,6 +999,7 @@ node_info whatsit_node_data[] = {
{ pdf_setmatrix_node, pdf_setmatrix_node_size, NULL, node_fields_whatsit_pdf_setmatrix, NULL, -1, 0 },
{ pdf_save_node, pdf_save_node_size, NULL, node_fields_whatsit_pdf_save, NULL, -1, 0 },
{ pdf_restore_node, pdf_restore_node_size, NULL, node_fields_whatsit_pdf_restore, NULL, -1, 0 },
+ { pdf_link_state_node, pdf_link_state_node_size, NULL, node_fields_whatsit_pdf_link_state, NULL, -1, 0 },
/*tex That's it. */
@@ -1065,6 +1068,7 @@ void l_set_whatsit_data(void) {
init_node_key(whatsit_node_data, pdf_setmatrix_node, pdf_setmatrix)
init_node_key(whatsit_node_data, pdf_save_node, pdf_save)
init_node_key(whatsit_node_data, pdf_restore_node, pdf_restore)
+ init_node_key(whatsit_node_data, pdf_link_state_node, pdf_link_state)
init_node_key(node_values_pdf_destination, 0, xyz)
init_node_key(node_values_pdf_destination, 1, fit)
@@ -1133,6 +1137,10 @@ void l_set_whatsit_data(void) {
init_field_key(node_fields_whatsit_pdf_end_link, 0, attr);
init_field_nop(node_fields_whatsit_pdf_end_link, 1);
+ init_field_key(node_fields_whatsit_pdf_link_state, 0, attr);
+ init_field_key(node_fields_whatsit_pdf_link_state, 1, value);
+ init_field_nop(node_fields_whatsit_pdf_link_state, 2);
+
init_field_key(node_fields_whatsit_pdf_end_thread, 0, attr);
init_field_nop(node_fields_whatsit_pdf_end_thread, 1);
@@ -2257,6 +2265,7 @@ void flush_node_wrapup_pdf(halfword p)
switch(subtype(p)) {
case pdf_save_node:
case pdf_restore_node:
+ case pdf_link_state_node:
case pdf_refobj_node:
case pdf_end_link_node:
case pdf_end_thread_node:
@@ -2559,6 +2568,7 @@ void check_node_wrapup_pdf(halfword p)
break;
case pdf_save_node:
case pdf_restore_node:
+ case pdf_link_state_node:
case pdf_refobj_node:
case pdf_end_link_node:
case pdf_end_thread_node:
@@ -3550,21 +3560,21 @@ void show_node_wrapup_pdf(int p)
tprint_esc("pdfcolorstack ");
print_int(pdf_colorstack_stack(p));
switch (pdf_colorstack_cmd(p)) {
- case colorstack_set:
- tprint(" set ");
- break;
- case colorstack_push:
- tprint(" push ");
- break;
- case colorstack_pop:
- tprint(" pop");
- break;
- case colorstack_current:
- tprint(" current");
- break;
- default:
- confusion("colorstack");
- break;
+ case colorstack_set:
+ tprint(" set ");
+ break;
+ case colorstack_push:
+ tprint(" push ");
+ break;
+ case colorstack_pop:
+ tprint(" pop");
+ break;
+ case colorstack_current:
+ tprint(" current");
+ break;
+ default:
+ confusion("colorstack");
+ break;
}
if (pdf_colorstack_cmd(p) <= colorstack_data)
print_mark(pdf_colorstack_data(p));
@@ -3579,6 +3589,10 @@ void show_node_wrapup_pdf(int p)
case pdf_restore_node:
tprint_esc("pdfrestore");
break;
+ case pdf_link_state_node:
+ tprint_esc("pdflinkstate ");
+ print_int(pdf_link_state(p));
+ break;
case pdf_refobj_node:
tprint_esc("pdfrefobj");
if (obj_obj_is_stream(static_pdf, pdf_obj_objnum(p))) {
diff --git a/Build/source/texk/web2c/luatexdir/tex/texnodes.h b/Build/source/texk/web2c/luatexdir/tex/texnodes.h
index 121511bc098..9742ca4966c 100644
--- a/Build/source/texk/web2c/luatexdir/tex/texnodes.h
+++ b/Build/source/texk/web2c/luatexdir/tex/texnodes.h
@@ -734,6 +734,7 @@ typedef enum {
pdf_setmatrix_node,
pdf_save_node,
pdf_restore_node,
+ pdf_link_state_node,
} whatsit_types;
# define first_common_whatsit 0
@@ -741,9 +742,11 @@ typedef enum {
# define backend_first_dvi_whatsit 15
# define backend_last_dvi_whatsit 15
# define backend_first_pdf_whatsit 16
-# define backend_last_pdf_whatsit 31
+# define backend_last_pdf_whatsit 32
-# define MAX_WHATSIT_TYPE 32
+/* add some slack for the future */
+
+# define MAX_WHATSIT_TYPE 34
# define known_whatsit_type(i) ( \
(i >= first_common_whatsit && i <= last_common_whatsit) || \
@@ -920,6 +923,10 @@ typedef enum {
# define pdf_save_node_size 3
# define pdf_restore_node_size 3
+# define pdf_link_state_node_size 3
+
+# define pdf_link_state(a) vinfo((a) + 2)
+
# define pdf_colorstack_node_size 4
# define pdf_colorstack_stack(a) vlink((a)+2)
# define pdf_colorstack_cmd(a) vinfo((a)+2)