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lualoader: position hyphens at the beginning of character classes

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According to the Lua 5.4 manual section 6.4.1 ("Patterns"), the interaction
between ranges and classes is not defined and hyphens must be specified at
either the beginning or the end of a set if they are not escaped.

Move all such occurrences to the beginning.

Reported-by:	_parv (twitter)
MFC-after:	3 days
This commit is contained in:
Kyle Evans 2021-01-31 09:51:39 -06:00
parent e027e24bfa
commit b24872cf7b
1 changed files with 4 additions and 4 deletions
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8
stand/lua/config.lua
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@ -62,10 +62,10 @@ local MSG_FAILSYN_EOLESC = "Stray escape at end of line"
local MSG_FAILSYN_EOLVAR = "Unescaped $ at end of line"
local MSG_FAILSYN_BADVAR = "Malformed variable expression at position '%d'"
local MODULEEXPR = '([%w-_]+)'
local MODULEEXPR = '([-%w_]+)'
local QVALEXPR = '"(.*)"'
local QVALREPL = QVALEXPR:gsub('%%', '%%%%')
local WORDEXPR = "([%w%d-][%w%d-_.]*)"
local WORDEXPR = "([-%w%d][-%w%d_.]*)"
local WORDREPL = WORDEXPR:gsub('%%', '%%%%')
-- Entries that should never make it into the environment; each one should have
@ -182,7 +182,7 @@ local function processEnvVar(value)
-- Skip the $
vinit = i + 1
vdelim = nil
vpat = "^([%w][%w%d-_.]*)"
vpat = "^([%w][-%w%d_.]*)"
end
local name = value:match(vpat, vinit)
@ -346,7 +346,7 @@ local function getBlacklist()
return blacklist
end
for mod in blacklist_str:gmatch("[;, ]?([%w-_]+)[;, ]?") do
for mod in blacklist_str:gmatch("[;, ]?([-%w_]+)[;, ]?") do
blacklist[mod] = true
end
return blacklist