; Document more DND functions with limited support

* lisp/dnd.el (dnd-begin-text-drag, dnd-begin-file-drag)
(dnd-begin-drag-files): Document platforms that support these
functions.  (Bug#69662)
10 jobs for master in 99 minutes and 57 seconds (queued for 7 seconds)
Status Job ID Name Coverage
  Build Images
passed #82645
build-image-inotify

00:52:43

 
  Normal
failed #82646
test-all-inotify

00:47:11

 
  Platform Images
failed #82647
build-image-eglot

00:00:58

passed #82649
build-image-gnustep

01:00:21

passed #82648
build-image-tree-sitter

00:40:17

 
  Platforms
skipped #82650
test-eglot
passed #82652
test-gnustep

00:03:11

passed #82651
test-tree-sitter

00:06:35

 
  Native Comp Images
failed #82653
build-native-comp-speed2

00:00:56

 
  Native Comp
skipped #82654
test-native-comp-speed2
 
Name Stage Failure
failed
test-all-inotify Normal
Uploading artifacts for failed job
Uploading artifacts...
test-all-inotify-685f4295/: found 544 matching files and directories

Uploading artifacts as "archive" to coordinator... 201 Created
id=82646 responseStatus=201 Created token=c8zp2xr7
Uploading artifacts...
test-all-inotify-685f4295/junit-test-report.xml: found 1 matching files and directories

Uploading artifacts as "junit" to coordinator... 201 Created
id=82646 responseStatus=201 Created token=c8zp2xr7
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 2

failed
build-image-eglot Platform Images
fatal: Unable to create '/builds/emacs/emacs/.git/shallow.lock': File exists.

Another git process seems to be running in this repository, e.g.
an editor opened by 'git commit'. Please make sure all processes
are terminated then try again. If it still fails, a git process
may have crashed in this repository earlier:
remove the file manually to continue.
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1

failed
build-native-comp-speed2 Native Comp Images
fatal: Unable to create '/builds/emacs/emacs/.git/shallow.lock': File exists.

Another git process seems to be running in this repository, e.g.
an editor opened by 'git commit'. Please make sure all processes
are terminated then try again. If it still fails, a git process
may have crashed in this repository earlier:
remove the file manually to continue.
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1