Merge branch 'lang-2' into 'master'

Remove lang.html.j2: it's migrated repos

See merge request graphviz/graphviz!1820

diff --cc doc/infosrc/Makefile
index be07023553e6596cbf4bf7ff7ebb24218e9a97a4,1ba87870161f1f98f585a7440a1f906b8ad75026..c63dc084ec47cc05a3faa6007d763b38b8efad46
--- 1/doc/infosrc/Makefile
--- 2/doc/infosrc/Makefile
+++ b/doc/infosrc/Makefile
@@@ -82,9 -81,9 +81,9 @@@ A2GIF= aa_box.gif aa_lbox.gif aa_rbox.g
  
  GIF = $(SGIF) $(AGIF) $(MGIF) $(A2GIF) $(XGIF)
  DOTS = html2.gv html3.gv html4.gv tee.gv
- HTML = colors.html lang.html shapes.html \
+ HTML = colors.html grammar.html shapes.html \
         arrows.html schema.html
 -MISC = graphviz_json_schema.json w3data.js
 +MISC = graphviz_json_schema.json
  INSTALL_FILES = $(HTML) $(DOTS) $(SGIF) $(AGIF) $(A2GIF) $(MGIF) $(XGIF) $(MPNG) $(MISC)
  
  .SUFFIXES: .gv .gif .dot .png
@@@ -132,15 -144,11 +131,13 @@@ shapes : shapelist mkshapes.s
        ./mkshapes.sh
        touch shapes
   
 -shapes.html : shapes mkshhtml.py html.html record.gif record2.gif sdlshapes.png templates/shapes.html.j2 shapelist
 -      ./mkshhtml.py html.html < shapelist > shapes.html
 +shapes.html : shapes mkshhtml.py record.gif record2.gif sdlshapes.png templates/shapes.html.j2 shapelist html_grammar html1.gif html2.gif html3.gif html4.gif mklang
 +      ./mklang html_grammar gramtmp
 +      ./mkshhtml.py gramtmp html1.dot < shapelist > shapes.html
 +      rm gramtmp
  
- lang.html : grammar mklang mklang.py
-       ./mklang grammar gramtmp
-       ./mklang.py gramtmp > lang.html
-       rm gramtmp
+ grammar.html : grammar mklang
+       ./mklang grammar grammar.html
  
  arrows.html : arrow_grammar arrows.1 arrows.2 mkarrowtbl.sh mklang $(AGIF) $(A2GIF)
        ./mklang arrow_grammar gramtmp