Minor glitches with `announce-gen'

[Ludovic Courtès]

Hi,

The `NEWS' parsing routine in `announce-gen' seems to be over-specified
in that it expects lines introducing a new version to match
"\* (?:Noteworthy|Major) change".  AFAICS, this is not too common practice
among GNU packages: GnuTLS uses "* Version X.Y.Z (released YYYY-MM-DD)",
Guile uses "Changes in X.Y.Z (since X.Y.(Z-1)):", lightning uses "NEWS
FROM VERSION X.Y TO X.(Y+1)", etc.

It'd be nice to either allow a regexp to be passed on the command-line
or to update the "NEWS File" section of the GCS to recommend a specific
format.

Besides, the "Subject" line of the announcement could be made more
human-readable by using the real package name rather than its system
name, e.g., "GNU Hello X.Y released" instead of "hello-X.Y released".

(End of gratuitous nitpicking.  ;-))

Thanks,
Ludovic.