(operate-on-rectangle): If coerce-tabs is non-nil, call
move-to-column-force instead of move-to-column.
(insert-rectangle): Call move-to-column-force instead of
move-to-column.
(open-rectangle-line): If begextra is not zero, call
move-to-column-force.
(picture-desired-column): New variable.
(picture-update-desired-column): New function.
(picture-beginning-of-line): Set picture-desired-column to 0.
(picture-end-of-line): Set picture-desired-column to the current
column.
(picture-forward-column): Pay attention to multi-column character.
(picture-backward-column): Likewise.
(picture-move-down): Likewise.
(picture-move-up): Likewise.
(picture-movement-nw): With prefix arg, move twice columns.
(picture-movement-ne): Likewise.
(picture-movement-sw): Likewise.
(picture-movement-se): Likewise.
(picture-set-motion): Handle two-column movements.
(picture-move): Call picture-move-down or picture-forward-column
only when necessary.
(picture-insert): Pay attention to picture-desired-column.
(picture-self-insert): Likewise.
(picture-clear-column): Pay attention to multi-column character.
(picture-mode): Modify doc-string for two-column movement.
(fortran-font-lock-keywords-1): Add `d' to comment-chars.
(fortran-with-subprogram-narrowing): New macro.
fortran-check-for-matching-do): Use it.
(fortran-end-do): Use fortran-check-end-prog-re.
(fortran-beginning-do, fortran-end-if, fortran-beginning-if)
(fortran-calculate-indent, fortran-calculate-indent): Likewise.
and link names if necessary.
(tar-header-block-summarize): Handle the case that file or link
names are multibyte.
(tar-summarize-buffer): At first set the current buffer unibyte,
then if there are multibyte file names, change it to multibyte.
(tar-mode): Get char position from tar-header-offset.
(tar-extract): Avoid multibyte<->unibyte conversion in
insert-buffer-subsring by setting both buffers unibyte
temporarily.
(tar-copy): Set the buffer unibyte while doing a work. Write
without code conversion.
(tar-expunge): Set the buffer unibyte while doing a work.
(tar-alter-one-field): Likewise.
(tar-clear-modification-flags): Compare byte position with
tar-header-offset.
(tar-subfile-save-buffer): Avoid multibyte<->unibyte conversion in
insert-buffer-subsring by setting both buffers unibyte
temporarily. Pay attention to multibyteness while updating the
descriptor-line.
(tar-mode-write-file): Write without code conversion.
