errors and warnings / manifest / W4310

W4310 warning

XML reference differs in case from the referenced file (the client resolves it case-insensitively)

area: manifest (x4xxx)
fails the build: with --deny-warnings

An XML file loads a file by a path that differs in case from the file's name (Core.lua for core.lua). The game resolves the path regardless of case, so the AddOn loads, but the mismatch is easy to miss and breaks tools that care about case.

Write the path exactly as the file is named.

Example

× failssrc/main.xmlxml

<Ui xmlns="http://www.blizzard.com/wow/ui/">    <Script file="Core.lua"/></Ui>

src/core.lualua

print("core")

✓ compilessrc/main.xmlxml

<Ui xmlns="http://www.blizzard.com/wow/ui/">    <Script file="core.lua"/></Ui>

src/core.lualua

print("core")

The compiler reports it like this:

warning[W4310]: XML reference `Core.lua` differs in case from the file `core.lua`
  ┌─ src/main.xml:2:19
  │
2 │     <Script file="Core.lua"/>
  │                   ^^^^^^^^ case mismatch

code	message
E4308	Output paths differ only in case

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terminal

$ wowlua explain W4310
W4310 (warning): XML reference differs in case from the referenced file (the client resolves it case-insensitively)

source on GitHub ↗

Example

Related codes

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