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syntax: highlight a lone zero as goDecimalInt #2589

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Nov 14, 2019
Merged

syntax: highlight a lone zero as goDecimalInt #2589

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1 change: 1 addition & 0 deletions autoload/go/highlight_test.vim
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Expand Up @@ -102,6 +102,7 @@ function! Test_numeric_literal_highlight() abort
syntax on

let tests = {
\ 'lone zero': {'group': 'goDecimalInt', 'value': '0'},
\ 'integer': {'group': 'goDecimalInt', 'value': '1234567890'},
\ 'hexadecimal': {'group': 'goHexadecimalInt', 'value': '0x0123456789abdef'},
\ 'hexadecimalErrorLeading': {'group': 'goHexadecimalError', 'value': '0xg0123456789abdef'},
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2 changes: 1 addition & 1 deletion syntax/go.vim
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Expand Up @@ -162,7 +162,7 @@ endif
syn match goSingleDecl /\%(import\|var\|const\) [^(]\@=/ contains=goImport,goVar,goConst

" Integers
syn match goDecimalInt "\<-\=[1-9]\d*\%([Ee][-+]\=\d\+\)\=\>"
syn match goDecimalInt "\<-\=\(0\|[1-9]\d*\)\%([Ee][-+]\=\d\+\)\=\>"
syn match goHexadecimalInt "\<-\=0[xX]\x\+\>"
syn match goHexadecimalError "\<-\=0[xX]\x*[^ \t0-9A-Fa-f]\S*\>"
syn match goOctalInt "\<-\=0\o\+\>"
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