void scope5() { help1(); help3(); }
static void do_extension_pdf(int immediate) { int i; if(scan_keyword("literal")){ new_whatsit(pdf_literal_node); if(scan_keyword("direct")) set_pdf_literal_mode(tail,direct_always); else if(scan_keyword("page")) set_pdf_literal_mode(tail,direct_page); else set_pdf_literal_mode(tail,set_origin); scan_toks(false,true); set_pdf_literal_type(tail,normal); set_pdf_literal_data(tail,def_ref); }else if(scan_keyword("dest")){ scan_pdfdest(static_pdf); }else if(scan_keyword("annot")){ scan_annot(static_pdf); }else if(scan_keyword("save")){ new_whatsit(pdf_save_node); }else if(scan_keyword("restore")){ new_whatsit(pdf_restore_node); }else if(scan_keyword("setmatrix")){ new_whatsit(pdf_setmatrix_node); scan_toks(false,true); set_pdf_setmatrix_data(tail,def_ref); }else if(scan_keyword("obj")){ scan_obj(static_pdf); if(immediate){ if(obj_data_ptr(static_pdf,pdf_last_obj)==0) normal_error("pdf backend","\\pdfextension obj 'reserveobjnum' cannot be used with \\immediate"); pdf_write_obj(static_pdf,pdf_last_obj); } }else if(scan_keyword("refobj")){ scan_refobj(static_pdf); }else if(scan_keyword("colorstack")){ scan_int(); if(cur_val>=colorstackused()){ print_err("Unknown color stack number "); print_int(cur_val); help3 ("Allocate and initialize a color stack with \\pdfextension colorstackinit.", "I'll use default color stack 0 here.", "Proceed, with fingers crossed."); error(); cur_val= 0; } if(cur_val<0){ print_err("Invalid negative color stack number"); help2("I'll use default color stack 0 here.", "Proceed, with fingers crossed."); error(); cur_val= 0; } if(scan_keyword("set")) i= colorstack_set; else if(scan_keyword("push")) i= colorstack_push; else if(scan_keyword("pop")) i= colorstack_pop; else if(scan_keyword("current")) i= colorstack_current; else i= -1; if(i>=0){ new_whatsit(pdf_colorstack_node); set_pdf_colorstack_stack(tail,cur_val); set_pdf_colorstack_cmd(tail,i); set_pdf_colorstack_data(tail,null); if(i<=colorstack_data){ scan_toks(false,true); set_pdf_colorstack_data(tail,def_ref); } }else{ print_err("Color stack action is missing"); help3("The expected actions for \\pdfextension colorstack:", " set, push, pop, current", "I'll ignore the color stack command."); error(); } }else if(scan_keyword("startlink")){ scan_startlink(static_pdf); }else if(scan_keyword("endlink")){ if(abs(mode)==vmode) normal_error("pdf backend","\\pdfextension endlink cannot be used in vertical mode"); new_whatsit(pdf_end_link_node); }else if(scan_keyword("startthread")){ new_annot_whatsit(pdf_start_thread_node); scan_thread_id(); }else if(scan_keyword("endthread")){ new_whatsit(pdf_end_thread_node); }else if(scan_keyword("thread")){ new_annot_whatsit(pdf_thread_node); scan_thread_id(); }else if(scan_keyword("outline")){ scan_pdfoutline(static_pdf); }else if(scan_keyword("glyphtounicode")){ glyph_to_unicode(); }else if(scan_keyword("catalog")){ scan_pdfcatalog(static_pdf); }else if(scan_keyword("fontattr")){ scan_font_ident(); i= cur_val; if(i==null_font) normal_error("pdf backend","invalid font identifier"); scan_toks(false,true); set_pdf_font_attr(i,tokens_to_string(def_ref)); if(str_length(pdf_font_attr(i))==0){ flush_str((str_ptr-1)); set_pdf_font_attr(i,0); } }else if(scan_keyword("mapfile")){ scan_toks(false,true); pdfmapfile(def_ref); delete_token_ref(def_ref); }else if(scan_keyword("mapline")){ scan_toks(false,true); pdfmapline(def_ref); delete_token_ref(def_ref); }else if(scan_keyword("includechars")){ pdf_include_chars(static_pdf); }else if(scan_keyword("info")){ scan_toks(false,true); pdf_info_toks= concat_tokens(pdf_info_toks,def_ref); }else if(scan_keyword("names")){ scan_toks(false,true); pdf_names_toks= concat_tokens(pdf_names_toks,def_ref); }else if(scan_keyword("trailer")){ scan_toks(false,true); pdf_trailer_toks= concat_tokens(pdf_trailer_toks,def_ref); }else{ tex_error("unexpected use of \\pdfextension",null); } }
void tex::help_dead_cycles() { help3("I've concluded that your \\output is awry; it never does a", "\\shipout, so I'm shipping \\box255 out myself. Next time", "increase \\maxdeadcycles if you want me to be more patient!"); }
void scope3() { A(); help3(); }
void tex::help_inf_shrink_ins() { help3("The correction glue for page breaking with insertions", "must have finite shrinkability. But you may proceed,", "since the offensive shrinkability has been made finite."); }
void tex::help_tut() { help3("Tut tut: You're trying to \\insert into a", "\\box register that now contains an \\hbox.", "Proceed, and I'll discard its present contents."); }
void tex::help_fraction() { help3("I'm ignoring this fraction specification, since I don't", "know whether a construction like `x \\over y \\over z'", "means `{x \\over y} \\over z' or `x \\over {y \\over z}'."); }
void tex::help_math_ex() { help3("Sorry, but I can't typeset math unless \\textfont 3", "and \\scriptfont 3 and \\scriptscriptfont 3 have all", "the \\fontdimen values needed in math extension fonts." ); }
void tex::help_math_sy() { help3("Sorry, but I can't typeset math unless \\textfont 2", "and \\scriptfont 2 and \\scriptscriptfont 2 have all", "the \\fontdimen values needed in math symbol fonts." ); }