master ddbab83070 1/2: Mark only VS-16 as emoji

[Robert Pluim]

branch: master
commit ddbab830709933d33179b1dbbc0b03c856d00806
Author: Robert Pluim <rpluim@gmail.com>
Commit: Robert Pluim <rpluim@gmail.com>

    Mark only VS-16 as emoji
    
    * admin/unidata/blocks.awk: Only mark U+FE0F as belonging to the
    'emoji' script.  (Bug#57072)
---
 admin/unidata/blocks.awk | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/admin/unidata/blocks.awk b/admin/unidata/blocks.awk
index 5f392b5ad3..1c571feff3 100755
--- a/admin/unidata/blocks.awk
+++ b/admin/unidata/blocks.awk
@@ -224,9 +224,14 @@ FILENAME ~ "emoji-data.txt" && /^[0-9A-F].*; 
Emoji_Presentation / {
 
 END {
     idx = 0
-    # ## These are here so that font_range can choose Emoji presentation
-    # ## for the preceding codepoint when it encounters a VS
-    override_start[idx] = "FE00"
+    ## This is here so that font_range can choose Emoji presentation
+    ## for the preceding codepoint when it encounters a VS-16
+    ## (U+FE0F).  See also font_range and the comments in composite.el
+    ## around the setup of `composition-function-table' for
+    ## U+FE00..U+FE0E.
+    ## It originally covered the whole FE00-FE0F range, but that
+    ## turned out to be a mistake.
+    override_start[idx] = "FE0F"
     override_end[idx] = "FE0F"
 
     for (k in override_start)