Problem: Lean files are not recognized.
Solution: Add a pattern for Lean files. (Amaan Qureshi, closes #12177)
" Ld loader
au BufNewFile,BufRead *.ld setf ld
+" Lean
+au BufNewFile,BufRead *.lean setf lean
+
" Ledger
au BufRead,BufNewFile *.ldg,*.ledger,*.journal setf ledger
\ 'latte': ['file.latte', 'file.lte'],
\ 'ld': ['file.ld'],
\ 'ldif': ['file.ldif'],
+ \ 'lean': ['file.lean'],
\ 'ledger': ['file.ldg', 'file.ledger', 'file.journal'],
\ 'less': ['file.less'],
\ 'lex': ['file.lex', 'file.l', 'file.lxx', 'file.l++'],
static int included_patches[] =
{ /* Add new patch number below this line */
+/**/
+ 1419,
/**/
1418,
/**/