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0

I have last printing of MetafontBook (8th printing, Volume C). Since that printing (and hence since all other printings), two very curious corrections appeared in errata:

1)

Question concerning this correction:

A suffix is either an empty set, or any number of <tag>s or <subscript>s in any combination (see syntax rules on p.54). So, a <subscript> is a subset of suffix. Therefore it is not clear why it is said

suffixed or subscripted

as if they were separate properties.

2)

It is worth to put here definition of <suffix list>:

<suffix list> -> <suffix> | <suffix list>,<suffix>

Question concerning this correction:

What is any concrete specific example for this case?

metafont

share

asked 4 mins ago

Igor LiferenkoIgor Liferenko

2,120829

add a comment | 

0

I have last printing of MetafontBook (8th printing, Volume C). Since that printing (and hence since all other printings), two very curious corrections appeared in errata:

1)

Question concerning this correction:

A suffix is either an empty set, or any number of <tag>s or <subscript>s in any combination (see syntax rules on p.54). So, a <subscript> is a subset of suffix. Therefore it is not clear why it is said

suffixed or subscripted

as if they were separate properties.

2)

It is worth to put here definition of <suffix list>:

<suffix list> -> <suffix> | <suffix list>,<suffix>

Question concerning this correction:

What is any concrete specific example for this case?

metafont

share

asked 4 mins ago

Igor LiferenkoIgor Liferenko

2,120829

add a comment | 

I have last printing of MetafontBook (8th printing, Volume C). Since that printing (and hence since all other printings), two very curious corrections appeared in errata:

1)

Question concerning this correction:

A suffix is either an empty set, or any number of <tag>s or <subscript>s in any combination (see syntax rules on p.54). So, a <subscript> is a subset of suffix. Therefore it is not clear why it is said

suffixed or subscripted

as if they were separate properties.

2)

It is worth to put here definition of <suffix list>:

<suffix list> -> <suffix> | <suffix list>,<suffix>

Question concerning this correction:

What is any concrete specific example for this case?

metafont

share

asked 4 mins ago

Igor LiferenkoIgor Liferenko

2,120829

<suffix list> -> <suffix> | <suffix list>,<suffix>

share

asked 4 mins ago

Igor LiferenkoIgor Liferenko

2,120829

share

asked 4 mins ago

Igor LiferenkoIgor Liferenko

2,120829

asked 4 mins ago

Igor LiferenkoIgor Liferenko

2,120829

asked 4 mins ago

Igor LiferenkoIgor Liferenko

2,120829