[bug #8218] @image{,,,@ } and @: fail

[Jordan Uggla]

Follow-up Comment #1, bug #8218 (project texinfo):

I think that the fact that @image{,,,@ } gets unrecognized cmd is not a bug,
and even the right thing. I think that it is more logical to remove spaces
before @-commands expansions.

@: is treated as an empty alt in texi2html, this looks good to me.

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[Jordan Uggla]

Follow-up Comment #2, bug #8218 (project texinfo):

fine on @: but i still don't agree on "@ ", sorry.  the alttext arg is
supposed to be texinfo text, and "@ " is a reasonable command to have there.
just because it happens to be at the end of the string is no reason for the
processors to mess up parsing it, seems to me.


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[Jordan Uggla]

Follow-up Comment #3, bug #8218 (project texinfo):

this should be fixed in texi2html. When there is a `@ ' at the end of a
string, the number of @ preceding the `@ ' are counted and if they are an odd
number, the space is kept.

I also tried to improve similar 'protections' of characters by @-commands,
like @: @, @<TAB> @; where the characters : , <TAB> means something (mostly in
@node and menu entries).

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