git/Documentation/line-range-format.adoc
brian m. carlson 1f010d6bdf doc: use .adoc extension for AsciiDoc files
We presently use the ".txt" extension for our AsciiDoc files.  While not
wrong, most editors do not associate this extension with AsciiDoc,
meaning that contributors don't get automatic editor functionality that
could be useful, such as syntax highlighting and prose linting.

It is much more common to use the ".adoc" extension for AsciiDoc files,
since this helps editors automatically detect files and also allows
various forges to provide rich (HTML-like) rendering.  Let's do that
here, renaming all of the files and updating the includes where
relevant.  Adjust the various build scripts and makefiles to use the new
extension as well.

Note that this should not result in any user-visible changes to the
documentation.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-01-21 12:56:06 -08:00

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'<start>' and '<end>' can take one of these forms:
- number
+
If '<start>' or '<end>' is a number, it specifies an
absolute line number (lines count from 1).
+
- `/regex/`
+
This form will use the first line matching the given
POSIX regex. If '<start>' is a regex, it will search from the end of
the previous `-L` range, if any, otherwise from the start of file.
If '<start>' is `^/regex/`, it will search from the start of file.
If '<end>' is a regex, it will search
starting at the line given by '<start>'.
+
- +offset or -offset
+
This is only valid for '<end>' and will specify a number
of lines before or after the line given by '<start>'.
+
If `:<funcname>` is given in place of '<start>' and '<end>', it is a
regular expression that denotes the range from the first funcname line
that matches '<funcname>', up to the next funcname line. `:<funcname>`
searches from the end of the previous `-L` range, if any, otherwise
from the start of file. `^:<funcname>` searches from the start of
file. The function names are determined in the same way as `git diff`
works out patch hunk headers (see 'Defining a custom hunk-header'
in linkgit:gitattributes[5]).