* lily/modified-font-metric.cc (text_dimension): try

lookup_tex_text_dimension() first.

* lily/tfm.cc: new function ly:load-text-dimensions

22 files changed, 105 insertions, 49 deletions

diff --git a/lily/break-substitution.cc b/lily/break-substitution.cc
index c5f98c727e..29298fe15a 100644
--- a/lily/break-substitution.cc
+++ b/lily/break-substitution.cc
@@ -461,7 +461,7 @@ Spanner::fast_fubstitute_grob_list (SCM sym,
 SCM
 substitute_mutable_property_alist (SCM alist)
 {
-  SCM grob_list_p = ly_scheme_function ("grob-list?");
+  SCM grob_list_p = ly_lily_module_constant ("grob-list?");
 
   SCM l = SCM_EOL;
   SCM *tail = &l;
@@ -499,7 +499,7 @@ Spanner::substitute_one_mutable_property (SCM sym,
   Spanner*s = this;
   
   bool fast_done = false;
-  SCM grob_list_p = ly_scheme_function ("grob-list?");
+  SCM grob_list_p = ly_lily_module_constant ("grob-list?");
   if (type == grob_list_p)
     fast_done = s->fast_fubstitute_grob_list (sym, val);
 
diff --git a/lily/clef-engraver.cc b/lily/clef-engraver.cc
index 6afa86229e..6e207877b5 100644
--- a/lily/clef-engraver.cc
+++ b/lily/clef-engraver.cc
@@ -107,7 +107,7 @@ Clef_engraver::create_clef ()
 					  scm_from_int (10));
 
 	  g->set_property ("text",
-			   scm_list_n (ly_scheme_function ("vcenter-markup"),
+			   scm_list_n (ly_lily_module_constant ("vcenter-markup"),
 				       txt,  SCM_UNDEFINED));
 	  Side_position_interface::add_support (g,clef_);      
 
diff --git a/lily/font-metric.cc b/lily/font-metric.cc
index 277c2cadfc..cc0ae4244f 100644
--- a/lily/font-metric.cc
+++ b/lily/font-metric.cc
@@ -316,7 +316,7 @@ get_encoded_index (Font_metric *m, String input_coding, int code)
   String font_coding = m->coding_scheme ();
   if (font_coding == input_coding)
     return code;
-  SCM s = scm_call_3 (ly_scheme_function ("encoded-index"),
+  SCM s = scm_call_3 (ly_lily_module_constant ("encoded-index"),
 		      scm_makfrom0str (input_coding.to_str0 ()),
 		      scm_makfrom0str (font_coding.to_str0 ()),
 		      scm_int2num (code));
diff --git a/lily/font-select.cc b/lily/font-select.cc
index c05f0b1f20..9ded64e067 100644
--- a/lily/font-select.cc
+++ b/lily/font-select.cc
@@ -103,7 +103,7 @@ get_font_by_mag_step (Output_def *layout, Real requested_step,
 SCM
 properties_to_font_size_family (SCM fonts, SCM alist_chain)
 {
-  return scm_call_2 (ly_scheme_function ("lookup-font"), fonts, alist_chain);
+  return scm_call_2 (ly_lily_module_constant ("lookup-font"), fonts, alist_chain);
 }
 
 Font_metric *
diff --git a/lily/include/lily-guile.hh b/lily/include/lily-guile.hh
index d813ed44cf..8a9a7cc24c 100644
--- a/lily/include/lily-guile.hh
+++ b/lily/include/lily-guile.hh
@@ -74,7 +74,7 @@ extern SCM global_lily_module;
 /*
   TODO: rename me to ly_c_lily_module_eval
  */
-#define ly_scheme_function(x) \
+#define ly_lily_module_constant(x) \
 ({ \
   static SCM cached; \
   /* We store this one locally, since G++ -O2 fucks up else */ \
diff --git a/lily/key-performer.cc b/lily/key-performer.cc
index 8d00b911cd..92f8f16f66 100644
--- a/lily/key-performer.cc
+++ b/lily/key-performer.cc
@@ -42,7 +42,7 @@ Key_performer::create_audio_elements ()
   if (key_req_) 
     {
       SCM pitchlist = key_req_->get_property ("pitch-alist");
-      SCM proc = ly_scheme_function ("alterations-in-key");
+      SCM proc = ly_lily_module_constant ("alterations-in-key");
       
       SCM acc = scm_call_1 (proc, pitchlist);
       
diff --git a/lily/lexer.ll b/lily/lexer.ll
index 081dd00221..d0a2dc50f0 100644
--- a/lily/lexer.ll
+++ b/lily/lexer.ll
@@ -882,7 +882,7 @@ avoid_silly_flex_induced_gcc_warnings ()
 SCM
 lookup_markup_command (String s)
 {
-	SCM proc = ly_scheme_function ("lookup-markup-command");
+	SCM proc = ly_lily_module_constant ("lookup-markup-command");
 	return scm_call_1 (proc, scm_makfrom0str (s.to_str0 ()));
 }
 
diff --git a/lily/lily-guile.cc b/lily/lily-guile.cc
index a5cd70e2e9..aa1161a37d 100644
--- a/lily/lily-guile.cc
+++ b/lily/lily-guile.cc
@@ -48,7 +48,7 @@ ly_to_symbol (SCM scm)
 SCM
 ly_to_string (SCM scm)
 {
-  return scm_call_3 (ly_scheme_function ("format"), SCM_BOOL_F,
+  return scm_call_3 (ly_lily_module_constant ("format"), SCM_BOOL_F,
 		     scm_makfrom0str ("~S"), scm);
 }
 
@@ -624,7 +624,7 @@ type_check_assignment (SCM sym, SCM val,  SCM type_symbol)
 	{
 	  SCM errport = scm_current_error_port ();
 	  ok = false;
-	  SCM typefunc = ly_scheme_function ("type-name");
+	  SCM typefunc = ly_lily_module_constant ("type-name");
 	  SCM type_name = scm_call_1 (typefunc, type);
 
 	 
diff --git a/lily/lily-parser.cc b/lily/lily-parser.cc
index fd982bc659..fb09a41e52 100644
--- a/lily/lily-parser.cc
+++ b/lily/lily-parser.cc
@@ -226,9 +226,9 @@ LY_DEFINE (ly_set_point_and_click, "ly:set-point-and-click",
   /* UGH. */
   SCM val = SCM_BOOL_F;
   if (ly_symbol2scm ("line-column") == what)
-    val = ly_scheme_function ("line-column-location");
+    val = ly_lily_module_constant ("line-column-location");
   else if (what == ly_symbol2scm ("line"))
-    val = ly_scheme_function ("line-location");
+    val = ly_lily_module_constant ("line-location");
 
   scm_module_define (global_lily_module, ly_symbol2scm ("point-and-click"),
 		     val);
diff --git a/lily/ly-module.cc b/lily/ly-module.cc
index 9b0a6dc558..c8ccf10d74 100644
--- a/lily/ly-module.cc
+++ b/lily/ly-module.cc
@@ -33,7 +33,7 @@ ly_make_anonymous_module (bool safe)
     }
   else
     {
-      SCM proc = ly_scheme_function ("make-safe-lilypond-module");
+      SCM proc = ly_lily_module_constant ("make-safe-lilypond-module");
       mod = scm_call_0 (proc);
     }
   return mod;
diff --git a/lily/main.cc b/lily/main.cc
index 918faa08c9..8cca9aa0e3 100644
--- a/lily/main.cc
+++ b/lily/main.cc
@@ -339,7 +339,7 @@ main_with_guile (void *, int, char **)
       exit (2);
     }
 
-  SCM result = scm_call_1 (ly_scheme_function ("lilypond-main"), files);
+  SCM result = scm_call_1 (ly_lily_module_constant ("lilypond-main"), files);
   (void) result;
 
 
diff --git a/lily/midi-item.cc b/lily/midi-item.cc
index 064fdd2292..827e5c869f 100644
--- a/lily/midi-item.cc
+++ b/lily/midi-item.cc
@@ -142,7 +142,7 @@ Midi_instrument::to_string () const
   /*
     UGH. don't use eval.
    */
-  SCM proc = ly_scheme_function ("midi-program");
+  SCM proc = ly_lily_module_constant ("midi-program");
   SCM program = scm_call_1 (proc, ly_symbol2scm (audio_->str_.to_str0 ()));
   found = (program != SCM_BOOL_F);
   if (found)
diff --git a/lily/modified-font-metric.cc b/lily/modified-font-metric.cc
index f1a81ae5f9..de1b23e834 100644
--- a/lily/modified-font-metric.cc
+++ b/lily/modified-font-metric.cc
@@ -45,7 +45,7 @@ Modified_font_metric::Modified_font_metric (Font_metric *fm,
       && input_encoding_ != "ASCII"
       && input_encoding_ !=  font_encoding)
     {
-      coding_vector_ = scm_call_1 (ly_scheme_function ("get-coding-vector"),
+      coding_vector_ = scm_call_1 (ly_lily_module_constant ("get-coding-vector"),
 				   scm_makfrom0str (font_encoding.to_str0 ()));
 
       if (!ly_c_vector_p (coding_vector_))
@@ -54,11 +54,11 @@ Modified_font_metric::Modified_font_metric (Font_metric *fm,
 	  coding_vector_ = scm_c_make_vector (256, ly_symbol2scm (".notdef"));
 	}
 
-      coding_table_ = scm_call_1 (ly_scheme_function ("get-coding-table"),
+      coding_table_ = scm_call_1 (ly_lily_module_constant ("get-coding-table"),
 				  scm_makfrom0str (font_encoding.to_str0 ()));
 
       coding_mapping_
-	= scm_call_2 (ly_scheme_function ("make-encoding-mapping"),
+	= scm_call_2 (ly_lily_module_constant ("make-encoding-mapping"),
 		      coding_vector_,
 		      coding_table_);
 
diff --git a/lily/music-function.cc b/lily/music-function.cc
index 392aeb3a59..46ac068575 100644
--- a/lily/music-function.cc
+++ b/lily/music-function.cc
@@ -43,7 +43,7 @@ LY_DEFINE (ly_make_music_function, "ly:make-music-function", 2, 0, 0,
       
       if (scm_car (s) == Music_type_p_proc)
 	str += "music";
-      else if (scm_car (s) == ly_scheme_function("markup?"))
+      else if (scm_car (s) == ly_lily_module_constant("markup?"))
 	str += "markup";
       else if (ly_c_procedure_p (scm_car (s)))
 	str += "scm";
diff --git a/lily/music.cc b/lily/music.cc
index b5f407d3d3..ca9f2c028a 100644
--- a/lily/music.cc
+++ b/lily/music.cc
@@ -245,7 +245,7 @@ Music::duration_log () const
 Music*
 make_music_by_name (SCM sym)
 {
-  SCM make_music_proc = ly_scheme_function ("make-music");
+  SCM make_music_proc = ly_lily_module_constant ("make-music");
   SCM rv = scm_call_1 (make_music_proc, sym);
 
   /* UGH. */
diff --git a/lily/paper-def.cc b/lily/paper-def.cc
index bfe6e5c13b..83b3491da8 100644
--- a/lily/paper-def.cc
+++ b/lily/paper-def.cc
@@ -72,7 +72,7 @@ find_scaled_font (Output_def *mod, Font_metric *f, Real m,
 Output_def * 
 scale_output_def (Output_def *o, Real amount)
 {
-  SCM proc = ly_scheme_function ("scale-layout");
+  SCM proc = ly_lily_module_constant ("scale-layout");
   SCM new_pap = scm_call_2 (proc, o->self_scm (), scm_double2num (amount));
   scm_gc_protect_object (new_pap);
 
@@ -93,7 +93,7 @@ LY_DEFINE (ly_paper_fonts, "ly:paper-fonts",
   SCM ell = SCM_EOL;
   if (scm_hash_table_p (font_table) == SCM_BOOL_T)
     {
-      SCM func = ly_scheme_function ("hash-table->alist");
+      SCM func = ly_lily_module_constant ("hash-table->alist");
 
       for (SCM s = scm_call_1 (func, font_table); scm_is_pair (s);
 	   s = scm_cdr (s))
diff --git a/lily/parse-scm.cc b/lily/parse-scm.cc
index 629366baf1..2f55783edf 100644
--- a/lily/parse-scm.cc
+++ b/lily/parse-scm.cc
@@ -41,7 +41,7 @@ internal_ly_parse_scm (Parse_start * ps)
 	  static SCM module = SCM_BOOL_F;
 	  if (module == SCM_BOOL_F)
 	    {
-	      SCM function = ly_scheme_function ("make-safe-lilypond-module");
+	      SCM function = ly_lily_module_constant ("make-safe-lilypond-module");
 	      module = scm_call_0 (function);
 	    }
 	  answer = scm_eval (form, module);
diff --git a/lily/parser.yy b/lily/parser.yy
index f93b0b5df7..d9fa443eb7 100644
--- a/lily/parser.yy
+++ b/lily/parser.yy
@@ -118,9 +118,9 @@ get_first_context_id (SCM type, Music *m)
 SCM
 make_simple_markup (SCM encoding, SCM a)
 {
-	SCM simple = ly_scheme_function ("simple-markup");
+	SCM simple = ly_lily_module_constant ("simple-markup");
 	if (scm_is_symbol (encoding))
-		return scm_list_3 (ly_scheme_function ("encoded-simple-markup"),
+		return scm_list_3 (ly_lily_module_constant ("encoded-simple-markup"),
 			   encoding, a);
 	return scm_list_2 (simple, a);
 }
@@ -154,7 +154,7 @@ make_chord_step (int step, int alter)
 SCM
 make_chord (SCM pitch, SCM dur, SCM modification_list)
 {
-	SCM chord_ctor = ly_scheme_function ("construct-chord");
+	SCM chord_ctor = ly_lily_module_constant ("construct-chord");
 	SCM ch = scm_call_3 (chord_ctor, pitch, dur, modification_list);
 	scm_gc_protect_object (ch);
 	return ch;
@@ -903,7 +903,7 @@ Repeated_music:
 		}
 
 
-		SCM proc = ly_scheme_function ("make-repeated-music");
+		SCM proc = ly_lily_module_constant ("make-repeated-music");
 
 		SCM mus = scm_call_1 (proc, $2);
 		scm_gc_protect_object (mus); // UGH.
@@ -925,7 +925,7 @@ Repeated_music:
 			we can not get durations and other stuff correct down the line, so we have to
 			add to the duration log here.
 			*/
-			SCM func = ly_scheme_function ("shift-duration-log");
+			SCM func = ly_lily_module_constant ("shift-duration-log");
 
 			int dots = ($3 % 3) ? 0 : 1;
 			int shift = -intlog2 ((dots) ? ($3*2/3) : $3);
@@ -1092,7 +1092,7 @@ Generic_prefix_music:
 		SCM args = scm_cddr ($1);
 		SCM sig = scm_object_property (func, ly_symbol2scm ("music-function-signature"));
 
-		SCM type_check_proc = ly_scheme_function ("type-check-list");
+		SCM type_check_proc = ly_lily_module_constant ("type-check-list");
 		bool ok  = true;
 
 		if (!to_boolean (scm_call_3  (type_check_proc, scm_cadr ($1), sig, args)))
@@ -1607,7 +1607,7 @@ chord_body_element:
 
 add_quote:
 	ADDQUOTE string Music {
-		SCM adder = ly_scheme_function ("add-quotable");
+		SCM adder = ly_lily_module_constant ("add-quotable");
 		
 		scm_call_2 (adder, $2, $3->self_scm ());
 		scm_gc_unprotect_object ($3->self_scm ());
@@ -1699,21 +1699,21 @@ command_element:
 		$$ = p;
 	}
 	| CLEF STRING  {
-		SCM proc = ly_scheme_function ("make-clef-set");
+		SCM proc = ly_lily_module_constant ("make-clef-set");
 
 		SCM result = scm_call_1 (proc, $2);
 		scm_gc_protect_object (result);
 		$$ = unsmob_music (result);
 	}
 	| TIME_T fraction  {
-		SCM proc = ly_scheme_function ("make-time-signature-set");
+		SCM proc = ly_lily_module_constant ("make-time-signature-set");
 
 		SCM result = scm_apply_2   (proc, scm_car ($2), scm_cdr ($2), SCM_EOL);
 		scm_gc_protect_object (result);
 		$$ = unsmob_music (result);
 	}
 	| MARK scalar {
-		SCM proc = ly_scheme_function ("make-mark-set");
+		SCM proc = ly_lily_module_constant ("make-mark-set");
 
 		SCM result = scm_call_1 (proc, $2);
 		scm_gc_protect_object (result);
@@ -2101,12 +2101,12 @@ tremolo_type:
 bass_number:
 	DIGIT   {
 		$$ = scm_number_to_string (scm_int2num ($1), scm_int2num (10));
-		$$ = scm_list_2 (ly_scheme_function ("number-markup"),
+		$$ = scm_list_2 (ly_lily_module_constant ("number-markup"),
 				$$);
 	}
 	| UNSIGNED {
 		$$ = scm_number_to_string (scm_int2num ($1), scm_int2num (10));
-		$$ = scm_list_2 (ly_scheme_function ("number-markup"),
+		$$ = scm_list_2 (ly_lily_module_constant ("number-markup"),
 				$$);
 	}
 	| STRING { $$ = $1; }
@@ -2268,7 +2268,7 @@ simple_element:
 	| MULTI_MEASURE_REST optional_notemode_duration  	{
 		THIS->pop_spot ();
 
-		SCM proc = ly_scheme_function ("make-multi-measure-rest");
+		SCM proc = ly_lily_module_constant ("make-multi-measure-rest");
 		SCM mus = scm_call_2 (proc, $2,
 			make_input (THIS->here_input ()));	
 		scm_gc_protect_object (mus);
@@ -2482,10 +2482,10 @@ full_markup:
 
 markup_top:
 	markup_list { 
-		$$ = scm_list_2 (ly_scheme_function ("line-markup"),  $1); 
+		$$ = scm_list_2 (ly_lily_module_constant ("line-markup"),  $1); 
 	}
 	| markup_head_1_list simple_markup	{
-		$$ = scm_car (scm_call_2 (ly_scheme_function ("map-markup-command-list"), $1, scm_list_1 ($2)));
+		$$ = scm_car (scm_call_2 (ly_lily_module_constant ("map-markup-command-list"), $1, scm_list_1 ($2)));
 	}
 	| simple_markup	{
 		$$ = $1;
@@ -2503,7 +2503,7 @@ markup_list:
 
 markup_composed_list:
 	markup_head_1_list markup_braced_list {
-		$$ = scm_call_2 (ly_scheme_function ("map-markup-command-list"), $1, $2);
+		$$ = scm_call_2 (ly_lily_module_constant ("map-markup-command-list"), $1, $2);
 		
 	}
 	;
@@ -2560,7 +2560,7 @@ simple_markup:
 		THIS->lexer_->push_note_state (alist_to_hashq (nn));
 	} '{' score_body '}' {
 		Score * sc = $4;
-		$$ = scm_list_2 (ly_scheme_function ("score-markup"), sc->self_scm ());
+		$$ = scm_list_2 (ly_lily_module_constant ("score-markup"), sc->self_scm ());
 		scm_gc_unprotect_object (sc->self_scm ());
 		THIS->lexer_->pop_state ();
 	}
@@ -2586,7 +2586,7 @@ simple_markup:
 	
 markup:
 	markup_head_1_list simple_markup	{
-		$$ = scm_car (scm_call_2 (ly_scheme_function ("map-markup-command-list"), $1, scm_list_1 ($2)));
+		$$ = scm_car (scm_call_2 (ly_lily_module_constant ("map-markup-command-list"), $1, scm_list_1 ($2)));
 	}
 	| simple_markup	{
 		$$ = $1;
diff --git a/lily/score.cc b/lily/score.cc
index d2dd56d849..945b7c75e0 100644
--- a/lily/score.cc
+++ b/lily/score.cc
@@ -336,7 +336,7 @@ void
 Score::set_music (SCM music, SCM parser)
 {
   /* URG? */
-  SCM check_funcs = ly_scheme_function ("toplevel-music-functions");
+  SCM check_funcs = ly_lily_module_constant ("toplevel-music-functions");
   for (; scm_is_pair (check_funcs); check_funcs = scm_cdr (check_funcs))
     music = scm_call_2 (scm_car (check_funcs), music, parser);
 
diff --git a/lily/staff-performer.cc b/lily/staff-performer.cc
index ffc0cb7358..ee168faa82 100644
--- a/lily/staff-performer.cc
+++ b/lily/staff-performer.cc
@@ -96,7 +96,7 @@ Staff_performer::create_audio_elements ()
 void
 Staff_performer::stop_translation_timestep ()
 {
-  SCM proc = ly_scheme_function ("percussion?");
+  SCM proc = ly_lily_module_constant ("percussion?");
   
   SCM drums = scm_call_1 (proc, ly_symbol2scm (instrument_string_.to_str0 ()));
   audio_staff_->channel_ = (drums == SCM_BOOL_T ? 9 : -1 );
diff --git a/lily/tfm.cc b/lily/tfm.cc
index b0d1daaa71..ed97e417b1 100644
--- a/lily/tfm.cc
+++ b/lily/tfm.cc
@@ -26,7 +26,7 @@ lookup_tex_text_dimension (Font_metric *font,
 {
   Box b;
 
-  SCM limit = ly_scheme_function ("TEX_STRING_HASHLIMIT");
+  SCM limit = ly_lily_module_constant ("TEX_STRING_HASHLIMIT");
   String key_str = ly_scm2string (font->font_file_name());
   int hash_code = scm_to_int (scm_hash (text, limit));
   key_str = to_string (hash_code)  + key_str;
@@ -37,12 +37,12 @@ lookup_tex_text_dimension (Font_metric *font,
 
   if (scm_is_pair (val))
     {
-      b[X_AXIS][LEFT] = 0.0;
-      b[X_AXIS][RIGHT] = scm_to_double (scm_car (val));
+      b[X_AXIS][LEFT] = 0.0 PT;
+      b[X_AXIS][RIGHT] = scm_to_double (scm_car (val)) PT;
       val = scm_cdr (val);
-      b[Y_AXIS][UP] = scm_to_double (scm_car (val));
+      b[Y_AXIS][UP] = scm_to_double (scm_car (val)) PT;
       val = scm_cdr (val);
-      b[Y_AXIS][DOWN] = scm_to_double (scm_car (val)); 
+      b[Y_AXIS][DOWN] = scm_to_double (scm_car (val)) PT; 
     }
   
   return b; 
@@ -132,7 +132,7 @@ Tex_font_metric::make_tfm (String file_name)
   tfm->char_metrics_ = reader.char_metrics_;
   tfm->ascii_to_metric_idx_ = reader.ascii_to_metric_idx_;
   tfm->encoding_table_
-    = scm_call_1 (ly_scheme_function ("get-coding-table"),
+    = scm_call_1 (ly_lily_module_constant ("get-coding-table"),
 		  scm_makfrom0str (tfm->coding_scheme ().to_str0 ()));
 
   return tfm->self_scm ();
diff --git a/tex/lilypond-tex-metrics.tex b/tex/lilypond-tex-metrics.tex
new file mode 100644
index 0000000000..5a4450b479
--- /dev/null
+++ b/tex/lilypond-tex-metrics.tex
@@ -0,0 +1,56 @@
+%
+% lilymetrics.tex
+%
+\catcode `\@=11\relax
+
+\newdimen\lily@globalscale
+\newdimen\lily@localscale
+\newbox\lily@metricsbox
+\newwrite\lily@metricsfile
+
+\def\lilyglobalscale#1{%
+  \lily@globalscale #1pt
+}
+
+\def\lilymetricsfile#1{%
+  \immediate\openout\lily@metricsfile #1\relax
+}
+
+\begingroup
+  \catcode `P=12
+  \catcode `T=12
+  \lowercase{%
+    \def\x{%
+      \def\lily@rempt##1.##2PT{%
+        ##1\ifnum ##2 > \z@ .##2\fi
+      }%
+    }%
+  }
+\expandafter\endgroup\x
+
+\def\lily@strippt{%
+  \expandafter\lily@rempt
+}
+
+\long\def\lilygetmetrics#1#2#3#4{%
+  \lily@localscale #3\lily@globalscale
+  % convert pt to 1000*sp (1000/65536)
+  \lily@localscale 0.015259\lily@localscale
+  \font\lily@font = #2 scaled \lily@localscale
+  \setbox\lily@metricsbox\hbox{%
+    \lily@font
+    #4%
+  }%
+  \edef\lily@wd{\the\wd\lily@metricsbox}%
+  \edef\lily@ht{\the\ht\lily@metricsbox}%
+  \edef\lily@dp{\the\dp\lily@metricsbox}%
+  \immediate\write\lily@metricsfile{%
+    ("#1" . (\lily@strippt\lily@wd
+           \space\lily@strippt\lily@ht
+           \space\lily@strippt\lily@dp))%
+  }%
+}
+
+\catcode `\@=13\relax
+
+\endinput