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Fix out of bounds error on syntax highlighting

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Fixes #606
This commit is contained in:
Zachary Yedidia 2017-03-27 16:26:32 -04:00
parent d087a890ba
commit bde48c051a
1 changed files with 6 additions and 6 deletions
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12
cmd/micro/highlight/highlighter.go
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@ -11,12 +11,12 @@ import (
// RunePos returns the rune index of a given byte index
// This could cause problems if the byte index is between code points
func runePos(p int, str string) int {
// if p < 0 {
// return -1
// }
// if p >= len(str) {
// return -1
// }
if p < 0 {
return 0
}
if p >= len(str) {
return utf8.RuneCountInString(str)
}
return utf8.RuneCountInString(str[:p])
}