Re: more spacing badness

[Kristaps Dzonsons <kristaps@bsd.lv>]

> not only that, but somewhere along the way the SYNOPSIS for test(1) got
> fixed! now we have:
> 
> 	[ test ]
> instead of
> 	[    test ]

Yes, I forgot to mention that test(1) was used as test input.  This was 
an effect of those commits.

> not only that, but the -column alignments in sysctl(3) got fixed
> somewhere along the way too.
> 
> super!

Great!  I hadn't noticed that.

>> Of course, i was eager to see whether Jason's "vi\ \&" would now work.
>> Guess what - it didn't.  I first had to fix *two* bugs in my own code.
>>
>> First, my favourite function term_flushline() handled trailing white
>> space correctly, but not trailing escaped blank characters.  In the
>> initial parsing loop, escaped whitespace is counted as normal
>> characters, then in the final output loop, it gets converted to
>> normal blanks, and finally, normal blanks (which break out of the
>> initial parsing loop) are counted again, so trailing escaped blanks
>> ended up being counted twice against the column width.
>>
>> Having fixed that one, Jason's "vi\ \&" still wouldn't work.
>> The reason was a quirk implemented for mdoc's .Bl -hang lists.
>> In such lists, when the head is wider than the declared head
>> width, the body gets pushed ahead to make room for the head;
>> when the head is shorter, the body gets aligned at the declared
>> position.  The quirk being that when the head is exactly one
>> character shorter than the declared width, the body gets pulled
>> back one character - for whatever reason.  That quirk got triggered
>> and defeated Jason's nicely escaped blank.
>>
>> So, the second fix is to remove the -hang flag from the SYNOPSIS
>> .Nm block handling.  I don't remember why i put that flag there
>> in the first place, it is clearly not needed.  The width is
>> calculated such that the header will always fit, so pushing ahead
>> is never needed, and we certainly do not want to pull back.
>>
>> OK?
>>
> 
> with this my vi hack does work correctly. thanks.

Ingo, feel free to commit it, then, if it doesn't regress anything.

Thanks,

Kristaps
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