[PATCH v3][BZ #17787] Fix exponents in manual.

[Carlos O'Donell]

On 06/18/2015 10:29 AM, Ondřej Bílka wrote:
> On Tue, Jun 16, 2015 at 04:24:52PM -0400, Carlos O'Donell wrote:
>> On 06/16/2015 04:07 PM, Joseph Myers wrote:
>>> On Tue, 16 Jun 2015, Ondřej Bílka wrote:
>>>
>>>> Ping, if you have better idea I would like it.
>>>
>>> I've looked back at the previous discussion.  It seems clear enough that:
>>>
>>> * It's a bad idea to duplicate parts of sentences that don't need 
>>> duplicating.  Conditionals in the main manual should be around lines with 
>>> nothing more than the single word using @math.
>>
>> It's bad, but it's not terrible. I would rather see the manual get updated
>> than nit pick over the exact ways that this can get fixed.
>>
>>> * It should be possible to use a Texinfo macro for this and so avoid any 
>>> conditionals at all in the main manual.  Something like (untested)
>>>
>>> @iftex
>>> @macro twoexp{exp}
>>> 2^{\exp\}
>>> @end macro
>>> @end iftex
>>> @ifnottex
>>> @macro twoexp{exp}
>>> 2^{exp}
>>> @end macro
>>> @end itnottex
>>>
>>> (and then use @twoexp{63} etc.).
>>
>> That's a good suggestion.
>>
>> Cheers,
>> Carlos.
> 
> Thanks that works after fixing two typos. Here I use twoexp.
> 
>         * manual/filesys.texi: Fix exponents.
>         * manual/llio.texi: Likewise.
>         * manual/stdio.texi: Likewise.

Looks good to me.

Cheers,
Carlos.