MidLifeXis at PerlMonks <midlifexis@wightmanfam.org> writes:

> It appears that there may be a regression problem with the current
> tangle/weave process.  I used to be able to have a noweb section for
> the name of the file, another for the version of the file, and then
> have an autogenerated header section that included those two pieces of
> information on a single line.  Following is an org file snippet of my
> bug description.
>
>
> * Bugs
> ** SOMEDAY org-mode bug with tangle and newlines      :BUG:
>    :PROPERTIES:
>    :created: [2011-06-30 Thu 10:00]
>    :ID: e4c992b5-4d35-443b-b34a-0fbda7c66aea
>    :END:
>    :LOGBOOK:
>    - Added on [2011-06-30 Thu 10:00]
>    :END:
>    [2011-06-30 Thu]
>
>    A regression bug has surfaced in org-mode with the tangle/weave
>    process mangling the following setup:
>
>    #+begin_src perl :noweb yes :tangle testoutput.pl :shebang #!perl
>    # <<generated-from>>
>    print "Hello world\n";
>    #+end_src
>
>    #+srcname: generated-from
>    #+begin_src text :noweb yes
>    Generated from <<file-name>> version <<file-version>>.
>    #+end_src
>
>    #+srcname: file-name
>    #+begin_src text :noweb yes
>    ATestFile.org
>    #+end_src
>
>    #+srcname: file-version
>    #+begin_src text :noweb yes
>    1.2.3.4
>    #+end_src
>
>    The last it worked* was sometime in the early 7.4 timeframe.  If I
>    get some time, I may do a bisect on it, although others are welcome
>    to do the work required.  Timeframe is based on memory, not
>    actual checking, so first a bisect needs to be done to find where
>    it last worked.
>
>
> *** Actual output
>
> #+begin_src perl
> #!perl
>
> # Generated from ATestFile.org
> # Generated from version 1.2.3.4
> # Generated from <<file-name>> version .
> # 
> print "Hello world\n";
> #+end_src
>
> *** Expected output (or at least similar)
>
> #+begin_src perl
> #!perl
>
> # Generated from ATestFile.org version 1.2.3.4.
>
> print "Hello world\n";
> #+end_src
>
> * End of org file
>
>

-- 
Eric Schulte
http://cs.unm.edu/~eschulte/