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| author | Gregory Heytings <gregory@heytings.org> | 2022-07-29 10:22:03 +0200 |
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| committer | Gregory Heytings <gregory@heytings.org> | 2022-07-29 10:22:03 +0200 |
| commit | db03eda6369a9d4af3c72a8ab6ec29e3cc58acc4 (patch) | |
| tree | 5f75c0186aec7d6cfe023b48d9a116c494009994 /doc/lispref/display.texi | |
| parent | 77882158b2aeff7f235c409d6572173ae4c3a38f (diff) | |
| parent | cdaa3b51f1500ca1d91452037efe68fa0f7808bc (diff) | |
| download | emacs-db03eda6369a9d4af3c72a8ab6ec29e3cc58acc4.tar.gz | |
Merge branch 'feature/long-lines-and-font-locking'
Diffstat (limited to 'doc/lispref/display.texi')
| -rw-r--r-- | doc/lispref/display.texi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi index 86f490677d1..d2e075c54ec 100644 --- a/doc/lispref/display.texi +++ b/doc/lispref/display.texi @@ -3480,6 +3480,12 @@ function finishes are the ones that really matter. For efficiency, we recommend writing these functions so that they usually assign faces to around 400 to 600 characters at each call. + +When the buffer text includes very long lines, these functions are +called with the buffer narrowed to a relatively small region around +@var{pos}, and with narrowing locked, so the functions cannot use +@code{widen} to gain access to the rest of the buffer. +@xref{Narrowing}. @end defvar @node Basic Faces |