%%
%% This is file `l3backend-dvips.def',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% l3backend-basics.dtx  (with options: `package,dvips')
%% l3backend-color.dtx  (with options: `package,dvips')
%% l3backend-box.dtx  (with options: `package,dvips')
%% l3backend-draw.dtx  (with options: `package,dvips')
%% l3backend-graphics.dtx  (with options: `package,dvips')
%% l3backend-pdf.dtx  (with options: `package,dvips')
%% 
%% Copyright (C) 1990-2020 The LaTeX3 Project
%% 
%% It may be distributed and/or modified under the conditions of
%% the LaTeX Project Public License (LPPL), either version 1.3c of
%% this license or (at your option) any later version.  The latest
%% version of this license is in the file:
%% 
%%    https://www.latex-project.org/lppl.txt
%% 
%% This file is part of the "l3backend bundle" (The Work in LPPL)
%% and all files in that bundle must be distributed together.
%% 
%% File: l3backend-basics.dtx
\ProvidesExplFile
  {l3backend-dvips.def}{2020-06-03}{}
  {L3 backend support: dvips}
\cs_new_eq:NN \__kernel_backend_literal:e \tex_special:D
\cs_new_protected:Npn \__kernel_backend_literal:n #1
  { \__kernel_backend_literal:e { \exp_not:n {#1} } }
\cs_generate_variant:Nn \__kernel_backend_literal:n { x }
\cs_new_protected:Npn \__kernel_backend_literal_postscript:n #1
  { \__kernel_backend_literal:n { ps:: #1 } }
\cs_generate_variant:Nn \__kernel_backend_literal_postscript:n { x }
\cs_new_protected:Npn \__kernel_backend_postscript:n #1
  { \__kernel_backend_literal:n { ps: SDict ~ begin ~ #1 ~ end } }
\cs_generate_variant:Nn \__kernel_backend_postscript:n { x }
\cs_if_exist:NTF \AtBeginDvi
  { \AtBeginDvi }
  { \use:n }
    {
      \bool_lazy_and:nnT
        { \cs_if_exist_p:N \g__kernel_backend_header_bool }
        { \g__kernel_backend_header_bool }
        { \__kernel_backend_literal:n { header = l3backend-dvips.pro } }
    }
\cs_new_protected:Npn \__kernel_backend_align_begin:
  {
    \__kernel_backend_literal:n { ps::[begin] }
    \__kernel_backend_literal_postscript:n { currentpoint }
    \__kernel_backend_literal_postscript:n { currentpoint~translate }
  }
\cs_new_protected:Npn \__kernel_backend_align_end:
  {
    \__kernel_backend_literal_postscript:n { neg~exch~neg~exch~translate }
    \__kernel_backend_literal:n { ps::[end] }
  }
\cs_new_protected:Npn \__kernel_backend_scope_begin:
  { \__kernel_backend_literal:n { ps:gsave } }
\cs_new_protected:Npn \__kernel_backend_scope_end:
  { \__kernel_backend_literal:n { ps:grestore } }
%% File: l3backend-color.dtx
\cs_new_protected:Npn \__color_backend_pickup:N #1 { }
\AtBeginDocument
  {
    \cs_if_exist:cT { ver@color.sty }
      {
        \cs_set_protected:Npn \__color_backend_pickup:N #1
          {
            \exp_args:NV \tl_if_head_is_space:nTF \current@color
              {
                \tl_set:Nx #1
                   {
                     spot ~
                     \exp_after:wN \use:n \current@color \c_space_tl 1
                   }
              }
              {
                \exp_last_unbraced:Nx \__color_backend_pickup:w
                  { \current@color } \s__color_stop #1
              }
          }
        \cs_new_protected:Npn \__color_backend_pickup:w #1 ~ #2 \s__color_stop #3
          { \tl_set:Nn #3 { #1 ~ #2 } }
      }
  }
\cs_new_protected:Npn \__color_backend_cmyk:w #1 ~ #2 ~ #3 ~ #4 \s__color_stop
  {
    \__color_backend_select:x
      {
        cmyk~
        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
        \fp_eval:n {#3} ~ \fp_eval:n {#4}
      }
  }
\cs_new_protected:Npn \__color_backend_gray:w #1 \s__color_stop
  { \__color_backend_select:x { gray~ \fp_eval:n {#1} } }
\cs_new_protected:Npn \__color_backend_rgb:w #1 ~ #2 ~ #3 \s__color_stop
  {
    \__color_backend_select:x
      { rgb~ \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} }
  }
\cs_new_protected:Npn \__color_backend_spot:w #1 ~ #2 \s__color_stop
  { \__color_backend_select:n { #1 } }
\cs_new_protected:Npn \__color_backend_select:n #1
  {
    \__kernel_backend_literal:n { color~push~ #1 }
    \__kernel_backend_postscript:n { /color.fc~{ }~def }
    \group_insert_after:N \__color_backend_reset:
  }
\cs_generate_variant:Nn \__color_backend_select:n { x }
\cs_new_protected:Npn \__color_backend_reset:
  { \__kernel_backend_literal:n { color~pop } }
%% File: l3backend-box.dtx
\cs_new_protected:Npn \__box_backend_clip:N #1
  {
    \__kernel_backend_scope_begin:
    \__kernel_backend_align_begin:
    \__kernel_backend_literal_postscript:n { matrix~currentmatrix }
    \__kernel_backend_literal_postscript:n
      { Resolution~72~div~VResolution~72~div~scale }
    \__kernel_backend_literal_postscript:n { DVImag~dup~scale }
    \__kernel_backend_literal_postscript:x
      {
        0 ~
        \dim_to_decimal_in_bp:n { \box_dp:N #1 } ~
        \dim_to_decimal_in_bp:n { \box_wd:N #1 } ~
        \dim_to_decimal_in_bp:n { -\box_ht:N #1 - \box_dp:N #1 } ~
        rectclip
      }
    \__kernel_backend_literal_postscript:n { setmatrix }
    \__kernel_backend_align_end:
    \hbox_overlap_right:n { \box_use:N #1 }
    \__kernel_backend_scope_end:
    \skip_horizontal:n { \box_wd:N #1 }
  }
\cs_new_protected:Npn \__box_backend_rotate:Nn #1#2
  { \exp_args:NNf \__box_backend_rotate_aux:Nn #1 { \fp_eval:n {#2} } }
\cs_new_protected:Npn \__box_backend_rotate_aux:Nn #1#2
  {
    \__kernel_backend_scope_begin:
    \__kernel_backend_align_begin:
    \__kernel_backend_literal_postscript:x
      {
        \fp_compare:nNnTF {#2} = \c_zero_fp
          { 0 }
          { \fp_eval:n { round ( -(#2) , 5 ) } } ~
        rotate
      }
   \__kernel_backend_align_end:
   \box_use:N #1
   \__kernel_backend_scope_end:
  }
\cs_new_protected:Npn \__box_backend_scale:Nnn #1#2#3
  {
    \__kernel_backend_scope_begin:
    \__kernel_backend_align_begin:
    \__kernel_backend_literal_postscript:x
      {
        \fp_eval:n { round ( #2 , 5 ) } ~
        \fp_eval:n { round ( #3 , 5 ) } ~
        scale
      }
    \__kernel_backend_align_end:
    \hbox_overlap_right:n { \box_use:N #1 }
    \__kernel_backend_scope_end:
  }
%% File: l3backend-draw.dtx
\cs_new_eq:NN \__draw_backend_literal:n \__kernel_backend_literal_postscript:n
\cs_generate_variant:Nn \__draw_backend_literal:n { x }
\cs_new_protected:Npn \__draw_backend_begin:
  {
    \__kernel_backend_literal:n { ps::[begin] }
    \__draw_backend_literal:n { @beginspecial }
    \__draw_backend_literal:n { SDict ~ begin ~ /color.fc ~ { } ~ def ~ end }
  }
\cs_new_protected:Npn \__draw_backend_end:
  {
    \__draw_backend_literal:n { @endspecial }
    \__kernel_backend_literal:n { ps::[end] }
  }
\cs_new_protected:Npn \__draw_backend_scope_begin:
  { \__draw_backend_literal:n { save } }
\cs_new_protected:Npn \__draw_backend_scope_end:
  { \__draw_backend_literal:n { restore } }
\cs_new_protected:Npn \__draw_backend_moveto:nn #1#2
  {
    \__draw_backend_literal:x
      {
        \dim_to_decimal_in_bp:n {#1} ~
        \dim_to_decimal_in_bp:n {#2} ~ moveto
      }
  }
\cs_new_protected:Npn \__draw_backend_lineto:nn #1#2
  {
    \__draw_backend_literal:x
      {
        \dim_to_decimal_in_bp:n {#1} ~
        \dim_to_decimal_in_bp:n {#2} ~ lineto
      }
  }
\cs_new_protected:Npn \__draw_backend_rectangle:nnnn #1#2#3#4
  {
     \__draw_backend_literal:x
       {
         \dim_to_decimal_in_bp:n {#4} ~ \dim_to_decimal_in_bp:n {#3} ~
         \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~
         moveto~dup~0~rlineto~exch~0~exch~rlineto~neg~0~rlineto~closepath
      }
  }
\cs_new_protected:Npn \__draw_backend_curveto:nnnnnn #1#2#3#4#5#6
  {
    \__draw_backend_literal:x
      {
        \dim_to_decimal_in_bp:n {#1} ~ \dim_to_decimal_in_bp:n {#2} ~
        \dim_to_decimal_in_bp:n {#3} ~ \dim_to_decimal_in_bp:n {#4} ~
        \dim_to_decimal_in_bp:n {#5} ~ \dim_to_decimal_in_bp:n {#6} ~
        curveto
      }
 }
\cs_new_protected:Npn \__draw_backend_evenodd_rule:
  { \bool_gset_true:N \g__draw_draw_eor_bool }
\cs_new_protected:Npn \__draw_backend_nonzero_rule:
  { \bool_gset_false:N \g__draw_draw_eor_bool }
\bool_new:N \g__draw_draw_eor_bool
\cs_new_protected:Npn \__draw_backend_closepath:
  { \__draw_backend_literal:n { closepath } }
\cs_new_protected:Npn \__draw_backend_stroke:
  {
    \__draw_backend_literal:n { stroke }
    \bool_if:NT \g__draw_draw_clip_bool
      {
        \__draw_backend_literal:x
          {
            \bool_if:NT \g__draw_draw_eor_bool { eo }
            clip
          }
      }
    \__draw_backend_literal:n { newpath }
    \bool_gset_false:N \g__draw_draw_clip_bool
  }
\cs_new_protected:Npn \__draw_backend_closestroke:
  {
    \__draw_backend_closepath:
    \__draw_backend_stroke:
  }
\cs_new_protected:Npn \__draw_backend_fill:
  {
    \__draw_backend_literal:n { gsave }
    \__draw_backend_literal:n { color.fc }
    \__draw_backend_literal:x
      {
        \bool_if:NT \g__draw_draw_eor_bool { eo }
        fill
      }
    \__draw_backend_literal:n { grestore }
    \bool_if:NT \g__draw_draw_clip_bool
      {
        \__draw_backend_literal:x
          {
            \bool_if:NT \g__draw_draw_eor_bool { eo }
            clip
          }
      }
    \__draw_backend_literal:n { newpath }
    \bool_gset_false:N \g__draw_draw_clip_bool
  }
\cs_new_protected:Npn \__draw_backend_fillstroke:
  {
    \__draw_backend_literal:n { gsave }
    \__draw_backend_literal:n { color.fc }
    \__draw_backend_literal:x
      {
        \bool_if:NT \g__draw_draw_eor_bool { eo }
        fill
      }
    \__draw_backend_literal:n { grestore }
    \__draw_backend_literal:n { stroke }
    \bool_if:NT \g__draw_draw_clip_bool
      {
        \__draw_backend_literal:x
          {
            \bool_if:NT \g__draw_draw_eor_bool { eo }
            clip
          }
      }
    \__draw_backend_literal:n { newpath }
    \bool_gset_false:N \g__draw_draw_clip_bool
  }
\cs_new_protected:Npn \__draw_backend_clip:
  { \bool_gset_true:N \g__draw_draw_clip_bool }
\bool_new:N \g__draw_draw_clip_bool
\cs_new_protected:Npn \__draw_backend_discardpath:
  {
    \bool_if:NT \g__draw_draw_clip_bool
      {
        \__draw_backend_literal:x
          {
            \bool_if:NT \g__draw_draw_eor_bool { eo }
            clip
          }
      }
    \__draw_backend_literal:n { newpath }
    \bool_gset_false:N \g__draw_draw_clip_bool
  }
\cs_new_protected:Npn \__draw_backend_dash_pattern:nn #1#2
  {
    \__draw_backend_literal:x
      {
        [
          \exp_args:Nf \use:n
            { \clist_map_function:nN {#1} \__draw_backend_dash:n }
        ] ~
        \dim_to_decimal_in_bp:n {#2} ~ setdash
      }
  }
\cs_new:Npn \__draw_backend_dash:n #1
  { ~ \dim_to_decimal_in_bp:n {#1} }
\cs_new_protected:Npn \__draw_backend_linewidth:n #1
  {
    \__draw_backend_literal:x
      { \dim_to_decimal_in_bp:n {#1} ~ setlinewidth }
  }
\cs_new_protected:Npn \__draw_backend_miterlimit:n #1
  { \__draw_backend_literal:x { \fp_eval:n {#1} ~ setmiterlimit } }
\cs_new_protected:Npn \__draw_backend_cap_butt:
  { \__draw_backend_literal:n { 0 ~ setlinecap } }
\cs_new_protected:Npn \__draw_backend_cap_round:
  { \__draw_backend_literal:n { 1 ~ setlinecap } }
\cs_new_protected:Npn \__draw_backend_cap_rectangle:
  { \__draw_backend_literal:n { 2 ~ setlinecap } }
\cs_new_protected:Npn \__draw_backend_join_miter:
  { \__draw_backend_literal:n { 0 ~ setlinejoin } }
\cs_new_protected:Npn \__draw_backend_join_round:
  { \__draw_backend_literal:n { 1 ~ setlinejoin } }
\cs_new_protected:Npn \__draw_backend_join_bevel:
  { \__draw_backend_literal:n { 2 ~ setlinejoin } }
\cs_new_protected:Npn \__draw_backend_color_fill_cmyk:nnnn #1#2#3#4
  {
    \__draw_backend_color_fill:x
      {
        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
        \fp_eval:n {#3} ~ \fp_eval:n {#4} ~
        setcmykcolor
      }
  }
\cs_new_protected:Npn \__draw_backend_color_stroke_cmyk:nnnn #1#2#3#4
  {
    \__draw_backend_color_stroke:x
      {
        cmyk ~
        \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
        \fp_eval:n {#3} ~ \fp_eval:n {#4}
      }
  }
\cs_new_protected:Npn \__draw_backend_color_fill_gray:n #1
  { \__draw_backend_color_fill:x { \fp_eval:n {#1} ~ setgray } }
\cs_new_protected:Npn \__draw_backend_color_stroke_gray:n #1
  { \__draw_backend_color_stroke:x { gray ~ \fp_eval:n {#1} } }
\cs_new_protected:Npn \__draw_backend_color_fill_rgb:nnn #1#2#3
  {
    \__draw_backend_color_fill:x
      { \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} ~ setrgbcolor }
  }
\cs_new_protected:Npn \__draw_backend_color_stroke_rgb:nnn #1#2#3
  {
    \__draw_backend_color_stroke:x
      { rgb ~ \fp_eval:n {#1} ~ \fp_eval:n {#2} ~ \fp_eval:n {#3} }
  }
\cs_new_protected:Npn \__draw_backend_color_fill:n #1
  {
    \__kernel_backend_postscript:n
      { /color.fc ~ { #1 } ~ def }
  }
\cs_generate_variant:Nn \__draw_backend_color_fill:n { x }
\cs_new_protected:Npn \__draw_backend_color_stroke:n #1
  {
    \__kernel_backend_literal:n { color~push~#1 }
    \group_insert_after:N \__draw_color_reset:
  }
\cs_generate_variant:Nn \__draw_backend_color_stroke:n { x }
\cs_new_protected:Npn \__draw_backend_cm:nnnn #1#2#3#4
  {
    \__draw_backend_literal:n
      {
        [
          \fp_eval:n {#1} ~ \fp_eval:n {#2} ~
          \fp_eval:n {#3} ~ \fp_eval:n {#4} ~
          0 ~ 0
        ] ~
        concat
      }
  }
\cs_new_protected:Npn \__draw_backend_box_use:Nnnnn #1#2#3#4#5
  {
    \__draw_backend_literal:n { @endspecial }
    \__draw_backend_literal:n { [end] }
    \__draw_backend_literal:n { [begin] }
    \__draw_backend_literal:n { save }
    \__draw_backend_literal:n { currentpoint }
    \__draw_backend_literal:n { currentpoint~translate }
    \__draw_backend_cm:nnnn { 1 } { 0 } { 0 } { -1 }
    \__draw_backend_cm:nnnn {#2} {#3} {#4} {#5}
    \__draw_backend_cm:nnnn { 1 } { 0 } { 0 } { -1 }
    \__draw_backend_literal:n { neg~exch~neg~exch~translate }
    \__draw_backend_literal:n { [end] }
    \hbox_overlap_right:n { \box_use:N #1 }
    \__draw_backend_literal:n { [begin] }
    \__draw_backend_literal:n { restore }
    \__draw_backend_literal:n { [end] }
    \__draw_backend_literal:n { [begin] }
    \__draw_backend_literal:n { @beginspecial }
  }
%% File: l3backend-graphics.dtx
\AtBeginDocument
  { \cs_new_eq:NN \__graphics_backend_getbb_eps:n \graphics_read_bb:n }
\cs_new_protected:Npn \__graphics_backend_include_eps:n #1
  {
    \__kernel_backend_literal:x
      {
        PSfile = #1 \c_space_tl
        llx = \dim_to_decimal_in_bp:n \l_graphics_llx_dim \c_space_tl
        lly = \dim_to_decimal_in_bp:n \l_graphics_lly_dim \c_space_tl
        urx = \dim_to_decimal_in_bp:n \l_graphics_urx_dim \c_space_tl
        ury = \dim_to_decimal_in_bp:n \l_graphics_ury_dim
      }
  }
%% File: l3backend-pdf.dtx
\box_new:N \l__pdf_internal_box
\cs_new_protected:Npn \__pdf_backend_pdfmark:n #1
  { \__kernel_backend_postscript:n { mark #1 ~ pdfmark } }
\cs_generate_variant:Nn \__pdf_backend_pdfmark:n { x }
\cs_new_protected:Npn \__pdf_backend_catalog_gput:nn #1#2
  { \__pdf_backend_pdfmark:n { { Catalog } << /#1 ~ #2 >> /PUT } }
\cs_new_protected:Npn \__pdf_backend_info_gput:nn #1#2
  { \__pdf_backend_pdfmark:n { /#1 ~ #2 /DOCINFO } }
\int_new:N \g__pdf_backend_object_int
\prop_new:N \g__pdf_backend_object_prop
\cs_new_protected:Npn \__pdf_backend_object_new:nn #1#2
  {
    \int_gincr:N \g__pdf_backend_object_int
    \int_const:cn
      { c__pdf_backend_object_ \tl_to_str:n {#1} _int }
      { \g__pdf_backend_object_int }
    \prop_gput:Nnn \g__pdf_backend_object_prop {#1} {#2}
  }
\cs_new:Npn \__pdf_backend_object_ref:n #1
  { { pdf.obj \int_use:c { c__pdf_backend_object_ \tl_to_str:n {#1} _int } } }
\cs_new_protected:Npn \__pdf_backend_object_write:nn #1#2
  {
    \__pdf_backend_pdfmark:x
      {
        /_objdef ~ \__pdf_backend_object_ref:n {#1}
        /type
        \str_case_e:nn
          { \prop_item:Nn \g__pdf_backend_object_prop {#1} }
          {
            { array }   { /array }
            { dict }    { /dict }
            { fstream } { /stream }
            { stream }  { /stream }
          }
        /OBJ
      }
    \use:c
      { __pdf_backend_object_write_ \prop_item:Nn \g__pdf_backend_object_prop {#1} :nn }
      { \__pdf_backend_object_ref:n {#1} } {#2}
  }
\cs_generate_variant:Nn \__pdf_backend_object_write:nn { nx }
\cs_new_protected:Npn \__pdf_backend_object_write_array:nn #1#2
  {
    \__pdf_backend_pdfmark:x
      { #1 ~0~ [ ~ \exp_not:n {#2} ~ ] ~ /PUTINTERVAL }
  }
\cs_new_protected:Npn \__pdf_backend_object_write_dict:nn #1#2
  {
    \__pdf_backend_pdfmark:x
      { #1 << \exp_not:n {#2} >> /PUT }
  }
\cs_new_protected:Npn \__pdf_backend_object_write_fstream:nn #1#2
  {
    \exp_args:Nx
      \__pdf_backend_object_write_fstream:nnn {#1} #2
  }
\cs_new_protected:Npn \__pdf_backend_object_write_fstream:nnn #1#2#3
  {
    \__kernel_backend_postscript:n
      {
        SDict ~ begin ~
        mark ~ #1 ~ << #2 >> /PUT ~ pdfmark ~
        mark ~ #1 ~ ( #3 )~ ( r )~ file ~ /PUT ~ pdfmark ~
        end
      }
  }
\cs_new_protected:Npn \__pdf_backend_object_write_stream:nn #1#2
  {
    \exp_args:Nx
      \__pdf_backend_object_write_stream:nnn {#1} #2
  }
\cs_new_protected:Npn \__pdf_backend_object_write_stream:nnn #1#2#3
  {
    \__kernel_backend_postscript:n
      {
        mark ~ #1 ~ ( #3 ) /PUT ~ pdfmark ~
        mark ~ #1 ~ << #2 >> /PUT ~ pdfmark
      }
  }
\cs_new_protected:Npn \__pdf_backend_object_now:nn #1#2
  {
    \int_gincr:N \g__pdf_backend_object_int
    \__pdf_backend_pdfmark:x
      {
        /_objdef ~ { pdf.obj \int_use:N \g__pdf_backend_object_int }
        /type
        \str_case:nn
          {#1}
          {
            { array }   { /array }
            { dict }    { /dict }
            { fstream } { /stream }
            { stream }  { /stream }
          }
        /OBJ
      }
    \exp_args:Nnx \use:c { __pdf_backend_object_write_ #1 :nn }
      { { pdf.obj \int_use:N \g__pdf_backend_object_int } } {#2}
  }
\cs_generate_variant:Nn \__pdf_backend_object_now:nn { nx }
\cs_new:Npn \__pdf_backend_object_last:
  { { pdf.obj \int_use:N \g__pdf_backend_object_int } }
\cs_new:Npn \__pdf_backend_pageobject_ref:n #1
  { { Page #1 } }
\box_new:N \l__pdf_backend_content_box
\box_new:N \l__pdf_backend_model_box
\int_new:N \g__pdf_backend_annotation_int
\cs_new_protected:Npn \__pdf_backend_annotation:nnnn #1#2#3#4
  {
    \exp_args:Nf \__pdf_backend_annotation_aux:nnnn
      { \dim_eval:n {#1} } {#2} {#3} {#4}
  }
\cs_new_protected:Npn \__pdf_backend_annotation_aux:nnnn #1#2#3#4
  {
    \box_move_down:nn {#3}
      { \hbox:n { \__kernel_backend_postscript:n { pdf.save.ll } } }
    \box_move_up:nn {#2}
      {
        \hbox:n
          {
            \tex_kern:D #1 \scan_stop:
            \__kernel_backend_postscript:n { pdf.save.ur }
            \tex_kern:D -#1 \scan_stop:
          }
      }
    \int_gincr:N \g__pdf_backend_object_int
    \int_gset_eq:NN \g__pdf_backend_annotation_int \g__pdf_backend_object_int
    \__pdf_backend_pdfmark:x
      {
        /_objdef { pdf.obj \int_use:N \g__pdf_backend_object_int }
        pdf.rect
        #4 ~
        /ANN
      }
  }
\cs_new:Npn \__pdf_backend_annotation_last:
  { { pdf.obj \int_use:N \g__pdf_backend_annotation_int } }
\int_new:N \g__pdf_backend_link_int
\tl_new:N \g__pdf_backend_link_dict_tl
\int_new:N \g__pdf_backend_link_sf_int
\bool_new:N \g__pdf_backend_link_math_bool
\bool_new:N \g__pdf_backend_link_bool
\tl_new:N \l__pdf_breaklink_pdfmark_tl
\tl_set:Nn \l__pdf_breaklink_pdfmark_tl { pdfmark }
\cs_new_protected:Npn \__pdf_breaklink_postscript:n #1 { }
\cs_new_eq:NN \__pdf_breaklink_usebox:N \box_use:N
\cs_new_protected:Npn \__pdf_backend_link_begin_goto:nnw #1#2
  { \__pdf_backend_link_begin:nw { #1 /Subtype /Link /A << /S /GoTo /D ( #2 ) >> } }
\cs_new_protected:Npn \__pdf_backend_link_begin_user:nnw #1#2
  { \__pdf_backend_link_begin:nw {#1#2} }
\cs_new_protected:Npn \__pdf_backend_link_begin:nw #1
  {
    \bool_if:NF \g__pdf_backend_link_bool
      { \__pdf_backend_link_begin_aux:nw {#1} }
  }
\cs_new_protected:Npn \__pdf_backend_link_begin_aux:nw #1
  {
    \bool_gset_true:N \g__pdf_backend_link_bool
    \__kernel_backend_postscript:n
      { /pdf.link.dict ( #1 ) def }
    \tl_gset:Nn \g__pdf_backend_link_dict_tl {#1}
    \__pdf_backend_link_sf_save:
    \mode_if_math:TF
      { \bool_gset_true:N \g__pdf_backend_link_math_bool }
      { \bool_gset_false:N \g__pdf_backend_link_math_bool }
    \hbox_set:Nw \l__pdf_backend_content_box
      \__pdf_backend_link_sf_restore:
      \bool_if:NT \g__pdf_backend_link_math_bool
        { \c_math_toggle_token }
  }
\cs_new_protected:Npn \__pdf_backend_link_end:
  {
    \bool_if:NT \g__pdf_backend_link_bool
      { \__pdf_backend_link_end_aux: }
  }
\cs_new_protected:Npn \__pdf_backend_link_end_aux:
  {
      \bool_if:NT \g__pdf_backend_link_math_bool
        { \c_math_toggle_token }
      \__pdf_backend_link_sf_save:
    \hbox_set_end:
    \__pdf_backend_link_minima:
    \hbox_set:Nn \l__pdf_backend_model_box { Gg }
    \exp_args:Nx \__pdf_backend_link_outerbox:n
      {
         \int_if_odd:nTF { \value { page } }
           { \oddsidemargin }
           { \evensidemargin }
      }
    \box_move_down:nn { \box_dp:N \l__pdf_backend_content_box }
      { \hbox:n { \__kernel_backend_postscript:n { pdf.save.linkll } } }
    \__pdf_breaklink_postscript:n { pdf.bordertracking.begin }
    \__pdf_breaklink_usebox:N \l__pdf_backend_content_box
    \__pdf_breaklink_postscript:n { pdf.bordertracking.end }
    \box_move_up:nn { \box_ht:N \l__pdf_backend_content_box }
      {
        \hbox:n
          { \__kernel_backend_postscript:n { pdf.save.linkur } }
      }
    \int_gincr:N \g__pdf_backend_object_int
    \int_gset_eq:NN \g__pdf_backend_link_int \g__pdf_backend_object_int
    \__kernel_backend_postscript:x
      {
        mark
        /_objdef { pdf.obj \int_use:N \g__pdf_backend_link_int }
        \g__pdf_backend_link_dict_tl \c_space_tl
        pdf.rect
        /ANN ~ \l__pdf_breaklink_pdfmark_tl
      }
    \__pdf_backend_link_sf_restore:
    \bool_gset_false:N \g__pdf_backend_link_bool
  }
\cs_new_protected:Npn \__pdf_backend_link_minima:
  {
    \hbox_set:Nn \l__pdf_backend_model_box { Gg }
    \__kernel_backend_postscript:x
      {
        /pdf.linkdp.pad ~
          \dim_to_decimal:n
            {
              \dim_max:nn
                {
                    \box_dp:N \l__pdf_backend_model_box
                  - \box_dp:N \l__pdf_backend_content_box
                }
                { 0pt }
            } ~
              pdf.pt.dvi ~ def
        /pdf.linkht.pad ~
          \dim_to_decimal:n
            {
              \dim_max:nn
                {
                    \box_ht:N \l__pdf_backend_model_box
                  - \box_ht:N \l__pdf_backend_content_box
                }
                { 0pt }
            } ~
              pdf.pt.dvi ~ def
      }
  }
\cs_new_protected:Npn \__pdf_backend_link_outerbox:n #1
  {
    \__kernel_backend_postscript:x
      {
        /pdf.outerbox
          [
            \dim_to_decimal:n {#1} ~
            \dim_to_decimal:n { -\box_dp:N \l__pdf_backend_model_box } ~
            \dim_to_decimal:n { #1 + \textwidth } ~
            \dim_to_decimal:n { \box_ht:N \l__pdf_backend_model_box }
          ]
          [ exch { pdf.pt.dvi } forall ] def
        /pdf.baselineskip ~
          \dim_to_decimal:n { \tex_baselineskip:D } ~ dup ~ 0 ~ gt
            { pdf.pt.dvi ~ def }
            { pop ~ pop }
          ifelse
      }
  }
\cs_new_protected:Npn \__pdf_backend_link_sf_save:
  {
    \int_gset:Nn \g__pdf_backend_link_sf_int
      {
        \mode_if_horizontal:TF
          { \tex_spacefactor:D }
          { 0 }
      }
  }
\cs_new_protected:Npn \__pdf_backend_link_sf_restore:
  {
    \mode_if_horizontal:T
      {
        \int_compare:nNnT \g__pdf_backend_link_sf_int > { 0 }
          { \int_set_eq:NN \tex_spacefactor:D \g__pdf_backend_link_sf_int }
      }
  }
\use_none:n
  {
    \cs_if_exist:NT \@makecol@hook
      {
        \tl_put_right:Nn \@makecol@hook
          {
            \box_if_empty:NF \@cclv
              {
                \vbox_set:Nn \@cclv
                  {
                    \__kernel_backend_postscript:n
                      {
                        pdf.globaldict /pdf.brokenlink.rect ~ known
                          { pdf.bordertracking.continue }
                        if
                      }
                    \vbox_unpack_drop:N \@cclv
                    \__kernel_backend_postscript:n
                      { pdf.bordertracking.endpage }
                  }
              }
          }
        \tl_set:Nn \l__pdf_breaklink_pdfmark_tl { pdf.pdfmark }
        \cs_set_eq:NN \__pdf_breaklink_postscript:n \__kernel_backend_postscript:n
        \cs_set_eq:NN \__pdf_breaklink_usebox:N \hbox_unpack:N
      }
  }
\cs_new:Npn \__pdf_backend_link_last:
  { { pdf.obj \int_use:N \g__pdf_backend_link_int } }
\cs_new_protected:Npn \__pdf_backend_link_margin:n #1
  {
    \__kernel_backend_postscript:x
      {
        /pdf.linkmargin { \dim_to_decimal:n {#1} ~ pdf.pt.dvi } def
      }
  }
\cs_new_protected:Npn \__pdf_backend_destination:nn #1#2
  {
    \__kernel_backend_postscript:n { pdf.dest.anchor }
    \__pdf_backend_pdfmark:x
      {
        /View
        [
          \str_case:nnF {#2}
            {
              { xyz }   { /XYZ ~ pdf.dest.point ~ null }
              { fit }   { /Fit }
              { fitb }  { /FitB }
              { fitbh } { /FitBH ~ pdf.dest.y }
              { fitbv } { /FitBV ~ pdf.dest.x }
              { fith }  { /FitH ~ pdf.dest.y }
              { fitv }  { /FitV ~ pdf.dest.x }
            }
            {
              /XYZ ~ pdf.dest.point ~ \fp_eval:n { (#2) / 100 }
            }
        ]
        /Dest ( \exp_not:n {#1} ) cvn
        /DEST
      }
  }
\cs_new_protected:Npn \__pdf_backend_destination_box:nn #1#2
  {
    \group_begin:
      \hbox_set:Nn \l__pdf_internal_box {#2}
      \box_move_down:nn
        { \box_dp:N \l__pdf_internal_box }
        { \hbox:n { \__kernel_backend_postscript:n { pdf.save.ll } } }
      \box_use:N \l__pdf_internal_box
      \box_move_up:nn
        { \box_ht:N \l__pdf_internal_box }
        { \hbox:n { \__kernel_backend_postscript:n { pdf.save.ur } } }
      \__pdf_backend_pdfmark:n
        {
          /View
          [
            /FitR ~
              pdf.llx ~ pdf.lly ~ pdf.dest2device ~
              pdf.urx ~ pdf.ury ~ pdf.dest2device
          ]
          /Dest ( #1 ) cvn
          /DEST
        }
    \group_end:
  }
\cs_new_protected:Npn \__pdf_backend_compresslevel:n #1
  {
    \int_compare:nNnT {#1} = 0
      {
        \__kernel_backend_literal_postscript:n
          {
            /setdistillerparams ~ where
             { pop << /CompressPages ~ false >> setdistillerparams }
            if
          }
      }
  }
\cs_new_protected:Npn \__pdf_backend_compress_objects:n #1
  {
    \bool_if:nF {#1}
      {
        \__kernel_backend_literal_postscript:n
          {
            /setdistillerparams ~ where
             { pop << /CompressStreams ~ false >> setdistillerparams }
            if
          }
      }
  }
\cs_new_protected:Npn \__pdf_backend_version_major_gset:n #1 { }
\cs_new_protected:Npn \__pdf_backend_version_minor_gset:n #1 { }
\cs_new:Npn \__pdf_backend_version_major: { -1 }
\cs_new:Npn \__pdf_backend_version_minor: { -1 }
\cs_new_protected:Npn \__pdf_backend_bdc:nn #1#2
  { \__pdf_backend_pdfmark:n { /#1 ~ #2 /BDC } }
\cs_new_protected:Npn \__pdf_backend_emc:
  { \__pdf_backend_pdfmark:n { /EMC } }
%% 
%%
%% End of file `l3backend-dvips.def'.
