diff options
Diffstat (limited to 'tex/context/base/l-boolean.lua')
| -rw-r--r-- | tex/context/base/l-boolean.lua | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/tex/context/base/l-boolean.lua b/tex/context/base/l-boolean.lua index e1efa4ad4..098f0b3a1 100644 --- a/tex/context/base/l-boolean.lua +++ b/tex/context/base/l-boolean.lua @@ -11,12 +11,20 @@ function boolean.tonumber(b) if b then return 1 else return 0 end end -function toboolean(str) - if type(str) == "string" then - return str == "true" or str == "yes" or str == "on" or str == "1" - elseif type(str) == "number" then - return tonumber(str) ~= 0 - elseif type(str) == "nil" then +function toboolean(str,tolerant) + if tolerant then + if type(str) == "string" then + return str == "true" or str == "yes" or str == "on" or str == "1" + elseif type(str) == "number" then + return tonumber(str) ~= 0 + elseif type(str) == "nil" then + return false + else + return str + end + elseif str == "true" then + return true + elseif str == "false" then return false else return str |