diff options
Diffstat (limited to 'doc/emacs/display.texi')
| -rw-r--r-- | doc/emacs/display.texi | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/doc/emacs/display.texi b/doc/emacs/display.texi index 2238570eaa9..90bfcf147c5 100644 --- a/doc/emacs/display.texi +++ b/doc/emacs/display.texi @@ -1044,9 +1044,9 @@ the left fringe, but no arrow bitmaps, use @code{((top . left) @cindex whitespace, trailing @vindex show-trailing-whitespace It is easy to leave unnecessary spaces at the end of a line, or -empty lines at the end of a file, without realizing it. In most -cases, this @dfn{trailing whitespace} has no effect, but there are -special circumstances where it matters, and it can be a nuisance. +empty lines at the end of a buffer, without realizing it. In most +cases, this @dfn{trailing whitespace} has no effect, but sometimes it +can be a nuisance. You can make trailing whitespace at the end of a line visible by setting the buffer-local variable @code{show-trailing-whitespace} to @@ -1061,9 +1061,13 @@ the location of point is enough to show you that the spaces are present. @findex delete-trailing-whitespace +@vindex delete-trailing-lines Type @kbd{M-x delete-trailing-whitespace} to delete all trailing -whitespace within the buffer. If the region is active, it deletes all -trailing whitespace in the region instead. +whitespace. This command deletes all extra spaces at the end of each +line in the buffer, and all empty lines at the end of the buffer; to +ignore the latter, change the variable @code{delete-trailing-lines} to +@code{nil}. If the region is active, the command instead deletes +extra spaces at the end of each line in the region. @vindex indicate-empty-lines @cindex unused lines |