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Welcome to lua-l, a list for discussing the Lua programming language, its uses, and its implementation. For further information, visit this page .

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Martin Eden, ppp vvv2

Jun 2

[ANN] File-to-image (2026-06-01)

Similar but very primitive (70 lines) png writer, without compression, just to store binary data in a

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[ANN] File-to-image (2026-06-01)

Similar but very primitive (70 lines) png writer, without compression, just to store binary data in a

Jun 2

TopchetoEU, … Martin Eden6

May 30

Parenless calls for function literals

On 2026-05-29 13:47, 'TopchetoEU' via lua-l wrote: > Your tool wouldn't nicely

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Parenless calls for function literals

On 2026-05-29 13:47, 'TopchetoEU' via lua-l wrote: > Your tool wouldn't nicely

May 30

Sens Fu, Roberto Ierusalimschy2

May 29

Lua 5.5: LUA_COMPAT_LOOPVAR does not fully restore the previous behavior

> I would like to report what I believe is an oversight (or at least an > under-documented

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Lua 5.5: LUA_COMPAT_LOOPVAR does not fully restore the previous behavior

> I would like to report what I believe is an oversight (or at least an > under-documented

May 29

Pier, … Lars Müller13

May 28

It can help readability to know that a local variable will not be updated later on. But this is not

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It can help readability to know that a local variable will not be updated later on. But this is not

May 28

Sergey Bronnikov, … Roberto Ierusalimschy6

May 28

An heap-use-after-free is triggered in the insertkey()

> > I expect that using "debug" module voids warranty. > > This disclaimer is

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An heap-use-after-free is triggered in the insertkey()

> > I expect that using "debug" module voids warranty. > > This disclaimer is

May 28

Martin Eden, Sainan4

May 26

[ANN] Itness codec (2026-05-26)

On 2026-05-26 19:03, 'Sainan' via lua-l wrote: > Damn email client, I did not mean to send

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[ANN] Itness codec (2026-05-26)

On 2026-05-26 19:03, 'Sainan' via lua-l wrote: > Damn email client, I did not mean to send

May 26

Sergey Bronnikov, Roberto Ierusalimschy4

May 26

An assertion is triggered in the luaG_runerror()

Hello, yet another reproducer, I suppose the root cause is the same. At least reverting 36c1f6d helps

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An assertion is triggered in the luaG_runerror()

Hello, yet another reproducer, I suppose the root cause is the same. At least reverting 36c1f6d helps

May 26

Eleanor Bartle, … The Future of Programming4

May 24

Hello >> "I think Lua as a language is so close to the point of perfection, that" You

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Hello >> "I think Lua as a language is so close to the point of perfection, that" You

May 24

May 22

[ANN] parse_sdp: strict SDP parser/validator for RFC 8866, ST 2110, IPMX

I'd like to share parse_sdp, a small Lua 5.5 (5.4 and 5.3 work too) library for working with

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[ANN] parse_sdp: strict SDP parser/validator for RFC 8866, ST 2110, IPMX

I'd like to share parse_sdp, a small Lua 5.5 (5.4 and 5.3 work too) library for working with

May 22

Francisco Olarte, Jure Bagić2

May 18

One curiosity...

I am not presently using it, but I am asking because if it works this way it could simplify border-

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One curiosity...

I am not presently using it, but I am asking because if it works this way it could simplify border-

May 18

Domingo Alvarez Duarte, … Spar14

May 12

I think I found a bug in Lua string.patterns, can anyone help see if it's true ?

Thank you for all your feedback ! At the end it was my fault by expecting back slashed escaped chars

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I think I found a bug in Lua string.patterns, can anyone help see if it's true ?

Thank you for all your feedback ! At the end it was my fault by expecting back slashed escaped chars

May 12

May 4

Compiling `luaossl` package with LuaJIT 2.1

Problem solved after separating openresty and luajit functionalities in separate LUA_(C)PATH settings

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Compiling `luaossl` package with LuaJIT 2.1

Problem solved after separating openresty and luajit functionalities in separate LUA_(C)PATH settings

May 4

Andrew Trevorrow, Martin Eden4

May 3

[ANN] Ag 2.1 -- a scriptable anagram generator

On 2026-05-04 00:53, Andrew Trevorrow wrote: > On Mon, May 4, 2026 at 12:49 AM 'Martin Eden

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[ANN] Ag 2.1 -- a scriptable anagram generator

On 2026-05-04 00:53, Andrew Trevorrow wrote: > On Mon, May 4, 2026 at 12:49 AM 'Martin Eden

May 3

Martin Eden, … Philippe Verdy26

May 3

table.sort: invalid order function for sorting

Note that if you don't want to change this builtin table.sort behavior, there are alternatives: -

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table.sort: invalid order function for sorting

Note that if you don't want to change this builtin table.sort behavior, there are alternatives: -

May 3

May 3

[ANN] Ranges tree module

Hello list, I want to announce my module for storing ranges as named tree nodes and applying ranges

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[ANN] Ranges tree module

Hello list, I want to announce my module for storing ranges as named tree nodes and applying ranges

May 3

Onana Onana Xavier Manuel

May 2

Making a UI library

Good day, I'm in the process of making a UI library in lua using luajit and the FFI module. It is

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Making a UI library

Good day, I'm in the process of making a UI library in lua using luajit and the FFI module. It is

May 2

Brisbane Silicon, … Roberto Ierusalimschy6

May 1

Our Lua based board was just featured in 'Silicon Chip' magazine too -> https://www.

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Our Lua based board was just featured in 'Silicon Chip' magazine too -> https://www.

May 1

Jure Bagić, … Francisco Olarte8

May 1

Re: MSVC and GCC compilation warnings

> Can anyone explain this warning? The recursive call is guarded by two > if's, and it

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Re: MSVC and GCC compilation warnings

> Can anyone explain this warning? The recursive call is guarded by two > if's, and it

May 1

Stephen Hewitt, Thijs Schreijer3

Apr 30

Utf8 in the Lua standalone interpreter on Windows

On Wed, 29 Apr 2026, at 19:26, Stephen Hewitt wrote: When I try to open a file with characters that

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Utf8 in the Lua standalone interpreter on Windows

On Wed, 29 Apr 2026, at 19:26, Stephen Hewitt wrote: When I try to open a file with characters that

Apr 30

António Cardoso, Martin Eden6

Apr 29

LuaProbe — small source-level debugger for Lua 5.1 / LuaJIT (two files, no C deps)

Thanks for changes! -- Martin On 2026-04-29 16:17, António Cardoso wrote: > Hi Martin, > >

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LuaProbe — small source-level debugger for Lua 5.1 / LuaJIT (two files, no C deps)

Thanks for changes! -- Martin On 2026-04-29 16:17, António Cardoso wrote: > Hi Martin, > >

Apr 29

Sean Conner, … Roberto Ierusalimschy7

Apr 28

Parsing varargs to a function

> Personally I think I would have preferred select + truncation being peephole > optimized as

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Parsing varargs to a function

> Personally I think I would have preferred select + truncation being peephole > optimized as

Apr 28

Michal Domonkos, Roberto Ierusalimschy3

Apr 27

Hyphens in module names & -l option

On Thursday, April 16, 2026 at 10:22:44 PM UTC+2 Roberto Ierusalimschy wrote: If we go along this

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Hyphens in module names & -l option

On Thursday, April 16, 2026 at 10:22:44 PM UTC+2 Roberto Ierusalimschy wrote: If we go along this

Apr 27

Martin Eden, … mjmouse99999

Apr 25

[ANN] lcm -- Lua Code Melder, 2026-04

Additions and changes of tool repo: * Added compiled binary (shebang + luac) for Lua v5.3 * Code base

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[ANN] lcm -- Lua Code Melder, 2026-04

Additions and changes of tool repo: * Added compiled binary (shebang + luac) for Lua v5.3 * Code base

Apr 25

Martin Eden, … Eduard Qwerty4

Apr 23

<const> everywhere

I think the best option is to add "const" keyword which means "local <const>

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<const> everywhere

I think the best option is to add "const" keyword which means "local <const>

Apr 23

蔡瑪德琳, Roberto Ierusalimschy2

Apr 22

> Can the 2html script in manual/ be updated to Lua 5.4 or 5.5? For me it > runs fine without

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> Can the 2html script in manual/ be updated to Lua 5.4 or 5.5? For me it > runs fine without

Apr 22

Luiz Henrique de Figueiredo, Bas Groothedde2

Apr 21

Fwd: Lua: The Documentary — the teaser is out 🌕

Amazing, can't wait to see it! ~b > On 21 Apr 2026, at 20:20, Luiz Henrique de Figueiredo <

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Fwd: Lua: The Documentary — the teaser is out 🌕

Amazing, can't wait to see it! ~b > On 21 Apr 2026, at 20:20, Luiz Henrique de Figueiredo <

Apr 21

Jure Bagić, Roberto Ierusalimschy6

Apr 21

Small typo in the reference manual

In the description for 'lua_getinfo', the 'S' option also fills the 'srclen'

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Small typo in the reference manual

In the description for 'lua_getinfo', the 'S' option also fills the 'srclen'

Apr 21

Kritzel Kratzel

Apr 20

[ANN] OneLuaPro 5.5.0.2 released – LuaCOM and VS Code Integration

Hi everyone, I've just released OneLuaPro 5.5.0.2. This update focuses on better Windows

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[ANN] OneLuaPro 5.5.0.2 released – LuaCOM and VS Code Integration

Hi everyone, I've just released OneLuaPro 5.5.0.2. This update focuses on better Windows

Apr 20

Jure Bagić, Roberto Ierusalimschy5

Apr 20

Lua stack state during 'lua_load'

> (You are talking about lua_load, but quoted the documentation about > lua_dump. Never mind...

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Lua stack state during 'lua_load'

> (You are talking about lua_load, but quoted the documentation about > lua_dump. Never mind...

Apr 20

Lars Müller, … Sainan5

Apr 16

Explicitly warn about lua_next missing an order guarantee in the reference manual

As said, this bug often does not surface because most lists live in the array part, as they ideally

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Explicitly warn about lua_next missing an order guarantee in the reference manual

As said, this bug often does not surface because most lists live in the array part, as they ideally

Apr 16

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