git: 284cdb7ffb - main - [phb] Document USES=octave

The branch main has been updated by fernape:

URL: https://cgit.FreeBSD.org/doc/commit/?id=284cdb7ffb5936abf7dff60823ce796efae71fee

commit 284cdb7ffb5936abf7dff60823ce796efae71fee
Author:     Fernando Apesteguía <fernape@FreeBSD.org>
AuthorDate: 2023-01-10 12:30:31 +0000
Commit:     Fernando Apesteguía <fernape@FreeBSD.org>
CommitDate: 2023-01-18 17:32:50 +0000

    [phb] Document USES=octave
    
    Missing from the Porter's Handbook.
---
 documentation/content/en/books/porters-handbook/uses/_index.adoc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/documentation/content/en/books/porters-handbook/uses/_index.adoc b/documentation/content/en/books/porters-handbook/uses/_index.adoc
index ff44f7ae20..75597e1561 100644
--- a/documentation/content/en/books/porters-handbook/uses/_index.adoc
+++ b/documentation/content/en/books/porters-handbook/uses/_index.adoc
@@ -1308,6 +1308,14 @@ Possible arguments: (none)
 
 Add objective C dependencies (compiler, runtime library) if the base system does not support it.
 
+[[uses-octave]]
+== `octave`
+
+Possible arguments: (none), env
+
+Uses package:math/octave[].
+`env` loads only one `OCTAVE_VERSION` environmental variable.
+
 [[uses-openal]]
 == `openal`