@cindex mode, fill-column-indicator
@findex display-fill-column-indicator-mode
@findex global-display-fill-column-indicator-mode
- Emacs can add an indicator to display a fill column position. The
+ Emacs can add an indicator to display a fill column position. The
fill column indicator is a useful functionality specially in
prog-mode to indicate the position of an specific column.
- You can set the buffer-local variables @code{display-fill-column-indicator}
+ You can set the buffer-local variables @code{display-fill-column-indicator}
and @code{display-fill-column-indicator-character} to activate the
indicator and controls how the indicator looks.
-Alternatively you can type @kbd{M-x display-fill-column-indicator-mode} or
-@kbd{M-x global-display-fill-column-indicator-mode} which enables the indicator
-locally and globally respectively and also chooses the character to
-use if none is set. It is possible to use the first one to activate the
-indicator in a hook or the second one to enable it globally.
+Alternatively you can type @w{@kbd{M-x display-fill-column-indicator-mode}}
+or @w{@kbd{M-x global-display-fill-column-indicator-mode}} which enables the
+indicator locally and globally respectively and also chooses the
+character to use if none is set already. It is possible to use the
+first one to activate the indicator in a hook or the second one to
+enable it globally.
-There are 2 new buffer local variables and 1 face to customize this
-mode:
+There are 2 buffer local variables and 1 face to customize this mode:
@table @code
@item display-fill-column-indicator-column
@vindex display-fill-column-indicator-column
-Is the column number where the indicator should be set. It can take
-positive numerical values for the column or the special value t which
-means that the variable 'fill-column' will be used.
+Specifies the column number where the indicator should be set. It can
+take positive numerical values for the column or the special value
+@code{t} which means that the variable @code{fill-column} will be
+used.
-Any other value disables the indicator. The default value is t.
+Any other value disables the indicator. The default value is @code{t}.
@item display-fill-column-indicator-char
@vindex display-fill-column-indicator-char
-Is the character used for the indicator. This character can be any
-valid char including unicode ones if the actual font supports them.
-
-When the mode is enabled throw the functions
+Specifies the character used for the indicator. This character can be
+any valid char including unicode ones if the actual font supports
+them.
+
+When the mode is enabled through the functions
@code{display-fill-column-indicator-mode} or
@code{global-display-fill-column-indicator-mode}, the initialization
-functions check if this variable is non-nil, otherwise the
+functions check if this variable is @code{non-nil}, otherwise the
initialization tries to set it to U+2502 or '|'.
-
-@item fill-column-face
-Is the face used to display the indicator it inherits its default
-values from shadow and the default face.
+
+@item fill-column-face
+Specifies the face used to display the indicator it inherits its
+default values from shadow and the default face.
@end table
@vindex indicate-buffer-boundaries