bug#23599: [PATCH 1/2] texi: pass automatic -I to dvi & pdf generation

[Karl Berry]

    +## texi2dvi automatically fallsback to using makeinfo for expanding (-E).

s/fallsback/falls back/

    +## If texi2dvi doesn't fallback, we also pass %MAKEINFOFLAGS% directly 
below.

s/fallback/fall back/

    +## if it is in srcdir (-I $(srcdir) is set in %MAKEINFOFLAGS%), and in case
    +## texi2dvi automatically fallsback to using makeinfo for expanding (-E).
    +## If texi2dvi doesn't fallback, we also pass %MAKEINFOFLAGS% directly 
below.

Doesn't seem like the same comment should be written twice.

    ## avoid hitting a Texinfop bug that could cause low-probability racy

s/Texinfop/Texinfo/
(Not your text, but might as well fix as long as you're there)

Anyway, seems fine to me, but maybe needs test case? --thanks, karl.