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Re: no @image at start of paragraph

From: Gavin Smith
Subject: Re: no @image at start of paragraph
Date: Thu, 17 Dec 2015 20:45:05 +0000

On 17 December 2015 at 19:08, Per Bothner <address@hidden> wrote:
> The texinfo manual states that an @image can be in "anywhere, including
> the middle of a paragraph".  However, makeinfo 6.0 doesn't allow @image to
> begin
> a paragraph.
> For example:
>     @image{screenshot-1}
>     This image shows xyz.
> or even:
>     @image{screenshot-1}This image shows xyz.
> Is treated the same as:
>     @image{screenshot-1}
>     This image shows xyz.
> I.e. the same as if the @image were followed by a blank line.
> Hence in the generated html the resulting <img> is *before* the <p>,
> not inside it.  The same problem happens with --docbook.
> I worked around it with empty dummy text:
>     @emph{}
>     @image{screenshot-1}
>     This image shows xyz.
> Is there a better work-around? Is this a texinfo bug?

I couldn't find a better workaround. I think that @indent or @noindent
should do it:

@noindent @image{screenshot-1}
This image shows xyz.

But this doesn't actually work at the present. I think that this would
be nice because @noindent switches from vertical mode into horizontal
mode in TeX, which is like starting a paragraph in HTML.

Here's a patch that I'll probably apply to make @indent and @noindent
start a paragraph if needed:

Index: tp/Texinfo/Parser.pm
--- tp/Texinfo/Parser.pm        (revision 6666)
+++ tp/Texinfo/Parser.pm        (working copy)
@@ -340,6 +340,8 @@ foreach my $no_paragraph_command (keys(%misc_comma
   $default_no_paragraph_commands{$no_paragraph_command} = 1;
   $begin_line_commands{$no_paragraph_command} = 1;
+delete $default_no_paragraph_commands{'indent'};
+delete $default_no_paragraph_commands{'noindent'};

 # verbatiminclude is not said to begin at the beginning of the line
 # in the manual

> Having the image at the start of the paragraph enables floating images
> with with css rules like:
> img { float: right }
> p { overflow: auto}

I think it's best not to start a paragraph for @image to give the
document author the option of having the image outside of a paragraph.

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