Re: [PATCH v2] new option: object-shortname

Some minor comments:

> +  - This option affects the file name automake uses for object files.
> +
> +    Enabling the option shortens the file name such that the prefix
> +    derived (after canonicalization) from the path is not included. For
> +    instance, it is always foo-foo.o regardless of the path leading to the
> +    source file.
> +
> +    It does not change the directory where these object files will be placed.
> +    Thus, it is recommended to combine this option with subdir-objects.
> +
> +  - Please read the corresponding manual entry for an extensive description.

Please make the NEWS item a bit shorter. No need for the last sentence, for example.

> +		if (option 'object-shortname') {

Please use the same style for indenting that the code already uses, with the { 
on the next line and indented by two columns.

> +			# If object-shortname is enabled the object's filename shall not contain the parts

Please keep everything within 80 columns.

> +If this option is specified, then object names constructed by automake are

Capitalize "automake" when used this way.

> +therefore ommitting the canonicalized path (@pxref{Canonicalization}). The

misspelled "omitting". Two spaces after sentence-ending periods.

> +effect is particularly visible if you use Makefile fragment inclusion feature

@file{Makefile}

> +foo}. However, it also works flawlessly if a Makefile fragment is

Omit "flawlessly".

> +This is best combined with @option{subdir-objects} because it file name
> +conflicts become more likely.

Can't parse this.

> +The rationale for this option is to allow a setup where there is a top-level
> +@file{Makefile.am} which includes fragments from subdirectories, which also
> +generate a Makefile.

Is one Makefile being generated, or many? It's not clear from the sentence.