Commit: runtime(odin): improve float number syntax

runtime(odin): improve float number syntax

Commit: https://github.com/vim/vim/commit/6ccd0351a78be76eda9ed48fff19f52660a8971c
Author: Maxim Kim <[email protected]>
Date:   Fri Aug 21 15:09:36 2026 +0000

    runtime(odin): improve float number syntax
    
    - highlight exp numbers without decimal point, e.g. 12e-5
    - highlight hex floats, e.g. 0hff3a001f
    - remove non-existent 0z number literals
    - do not highlight unary minus as a part of a number
    
    closes: #21107
    
    Signed-off-by: Maxim Kim <[email protected]>
    Signed-off-by: Christian Brabandt <[email protected]>

diff --git a/runtime/syntax/odin.vim b/runtime/syntax/odin.vim
index e8aa1f875..d9327fdae 100644
--- a/runtime/syntax/odin.vim
+++ b/runtime/syntax/odin.vim
@@ -4,7 +4,7 @@ vim9script
 # Language: Odin
 # Maintainer: Maxim Kim <[email protected]>
 # Website: https://github.com/habamax/vim-odin
-# Last Change: 2026 Aug 16
+# Last Change: 2026 Aug 21
 
 if exists("b:current_syntax")
   finish
@@ -63,10 +63,11 @@ syntax region odinAttributeBraces
       \ transparent oneline
       \ contained
 
-syntax match odinInteger " -?<[0-9]+%(_[0-9]+)*>" display
-syntax match odinFloat " -?<[0-9]+%(_[0-9]+)*%(\.[0-9]+%(_[0-9]+)*)%([eE][+-]=[0-9]+%(_[0-9]+)*)=" display
+syntax match odinInteger " <[0-9]+%(_[0-9]+)*>" display
+syntax match odinFloat " <[0-9]+%(_[0-9]+)*%(\.[0-9]+%(_[0-9]+)*)%([eE][+-]=[0-9]+%(_[0-9]+)*)=" display
+syntax match odinFloat " <[0-9]+%(_[0-9]+)*[eE][+-]?[0-9]+%(_[0-9]+)*" display
 syntax match odinHex " <0[xX][0-9A-Fa-f]+%(_[0-9A-Fa-f]+)*>" display
-syntax match odinDoz " <0[zZ][0-9A-Ba-b]+%(_[0-9A-Ba-b]+)*>" display
+syntax match odinHexFloat " <0[hH][0-9A-Fa-f]+%(_[0-9A-Fa-f]+)*>" display
 syntax match odinOct " <0[oO][0-7]+%(_[0-7]+)*>" display
 syntax match odinBin " <0[bB][01]+%(_[01]+)*>" display
 
@@ -107,10 +108,10 @@ highlight def link odinBool Boolean
 highlight def link odinNull Constant
 highlight def link odinUninitialized Constant
 highlight def link odinFloat Float
+highlight def link odinHexFloat odinFloat
 highlight def link odinInteger Number
 highlight def link odinHex Number
 highlight def link odinOct Number
 highlight def link odinBin Number
-highlight def link odinDoz Number
 
 b:current_syntax = "odin"

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