Revert "fix index out of bound"
Revert "fix index out of bound"

This reverts commit 62248d05ecfbfc9c42d2fafe93e9bd2e54c5a27b.

sourcegraph/syntaxhighlight,sourcegraph/syntaxhighlight,gernest/frontman,gernest/frontman,gernest/frontman,sourcegraph/syntaxhighlight,sourcegraph/syntaxhighlight,gernest/frontman,sourcegraph/syntaxhighlight,sourcegraph/syntaxhighlight,gernest/frontman,gernest/frontman