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[spec] Fix some Latex layout errors #1935

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Merged
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Jun 24, 2025
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[spec] Fix some Latex layout errors #1935

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4 changes: 2 additions & 2 deletions document/core/binary/instructions.rst
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Expand Up @@ -82,8 +82,8 @@ Control Instructions
\hex{13}~~y{:}\Btypeidx~~x{:}\Btableidx &\Rightarrow& \RETURNCALLINDIRECT~x~y \\ &&|&
\hex{14}~~x{:}\Btypeidx &\Rightarrow& \CALLREF~x \\ &&|&
\hex{15}~~x{:}\Btypeidx &\Rightarrow& \RETURNCALLREF~x \\ &&|&
\hex{1F}~~\X{bt}{:}\Bblocktype~~c^\ast{:}\Bvec(\Bcatch)~~(\X{in}{:}\Binstr)^\ast~~\hex{0B}
&\Rightarrow& \TRYTABLE~\X{bt}~c^\ast~\X{in}^\ast~\END \\
\hex{1F}~~\X{bt}{:}\Bblocktype~~c^\ast{:}\Bvec(\Bcatch)~~\\&&&~~~~(\X{in}{:}\Binstr)^\ast~~\hex{0B}
&\Rightarrow& \TRYTABLE~\X{bt}~c^\ast~\X{in}^\ast~\END \\ &&|&
\hex{D5}~~l{:}\Blabelidx &\Rightarrow& \BRONNULL~l \\ &&|&
\hex{D6}~~l{:}\Blabelidx &\Rightarrow& \BRONNONNULL~l \\ &&|&
\hex{FB}~~24{:}\Bu32~~(\NULL_1^?,\NULL_2^?){:}\Bcastflags\\&&&~~~~l{:}\Blabelidx~~\X{ht}_1{:}\Bheaptype~~\X{ht}_2{:}\Bheaptype &\Rightarrow& \BRONCAST~l~(\REF~\NULL_1^?~\X{ht}_1)~(\REF~\NULL_2^?~\X{ht}_2) \\ &&|&
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19 changes: 10 additions & 9 deletions document/core/text/instructions.rst
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Expand Up @@ -183,7 +183,7 @@ Also, for backwards compatibility, the table index to :math:`\text{call\_indirec
\production{plain instruction} &
\text{call\_indirect}~~\Ttypeuse
&\equiv&
\text{call\_indirect}~~0~~\Ttypeuse \\
\text{call\_indirect}~~0~~\Ttypeuse \\ &
\text{return\_call\_indirect}~~\Ttypeuse
&\equiv&
\text{return\_call\_indirect}~~0~~\Ttypeuse \\
Expand Down Expand Up @@ -435,7 +435,7 @@ Lexically, an |Toffset| or |Talign| phrase is considered a single :ref:`keyword
\text{v128.store8\_lane}~~x{:}\Tmemidx~~m{:}\Tmemarg_1~~y{:}\Tu8 &\Rightarrow& \V128.\STORE\K{8\_lane}~x~m~y \\ &&|&
\text{v128.store16\_lane}~~x{:}\Tmemidx~~m{:}\Tmemarg_2~~y{:}\Tu8 &\Rightarrow& \V128.\STORE\K{16\_lane}~x~m~y \\ &&|&
\text{v128.store32\_lane}~~x{:}\Tmemidx~~m{:}\Tmemarg_4~~y{:}\Tu8 &\Rightarrow& \V128.\STORE\K{32\_lane}~x~m~y \\ &&|&
\text{v128.store64\_lane}~~x{:}\Tmemidx~~m{:}\Tmemarg_8~~y{:}\Tu8 &\Rightarrow& \V128.\STORE\K{64\_lane}~x~m~y \\
\text{v128.store64\_lane}~~x{:}\Tmemidx~~m{:}\Tmemarg_8~~y{:}\Tu8 &\Rightarrow& \V128.\STORE\K{64\_lane}~x~m~y \\ &&|&
\text{memory.size}~~x{:}\Tmemidx &\Rightarrow& \MEMORYSIZE~x \\ &&|&
\text{memory.grow}~~x{:}\Tmemidx &\Rightarrow& \MEMORYGROW~x \\ &&|&
\text{memory.fill}~~x{:}\Tmemidx &\Rightarrow& \MEMORYFILL~x \\ &&|&
Expand Down Expand Up @@ -1104,14 +1104,15 @@ Such a folded instruction can appear anywhere a regular instruction can.
&\equiv\quad \text{block}~~\Tlabel~~\Tblocktype~~\Tinstr^\ast~~\text{end} \\ &
\text{(}~\text{loop}~~\Tlabel~~\Tblocktype~~\Tinstr^\ast~\text{)}
&\equiv\quad \text{loop}~~\Tlabel~~\Tblocktype~~\Tinstr^\ast~~\text{end} \\ &
\text{(}~\text{if}~~\Tlabel~~\Tblocktype~~\Tfoldedinstr^\ast
&\hspace{-3ex} \text{(}~\text{then}~~\Tinstr_1^\ast~\text{)}~~(\text{(}~\text{else}~~\Tinstr_2^\ast~\text{)})^?~~\text{)}
\quad\equiv \\ &\qquad
\Tfoldedinstr^\ast~~\text{if}~~\Tlabel
&\hspace{-12ex} \Tblocktype~~\Tinstr_1^\ast~~\text{else}~~(\Tinstr_2^\ast)^?~\text{end} \\ &
\text{(}~\text{if}~~\Tlabel~~\Tblocktype~~\Tfoldedinstr^\ast \\ &
\qquad \text{(}~\text{then}~~\Tinstr_1^\ast~\text{)}~~(\text{(}~\text{else}~~\Tinstr_2^\ast~\text{)})^?~~\text{)}
&\equiv\quad
\Tfoldedinstr^\ast~~\text{if}~~\Tlabel~~\Tblocktype~~\Tinstr_1^\ast~~\\ &
&\qquad\qquad \text{else}~~(\Tinstr_2^\ast)^?~\text{end} \\ &
\text{(}~\text{try\_table}~~\Tlabel~~\Tblocktype~~\Tcatch^\ast~~\Tinstr^\ast~\text{)}
\quad\equiv \\ &\qquad
\text{try\_table}~~\Tlabel~~\Tblocktype~~\Tcatch^\ast~~\Tinstr^\ast~~\text{end} \\
&\equiv\quad
\text{try\_table}~~\Tlabel~~\Tblocktype~~\\ &
&\qquad\qquad \Tcatch^\ast~~\Tinstr^\ast~~\text{end} \\
\end{array}


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6 changes: 4 additions & 2 deletions document/core/text/modules.rst
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Expand Up @@ -631,9 +631,11 @@ Furthermore, for backwards compatibility with earlier versions of WebAssembly, i
\production{table use} &
\epsilon &\equiv& \text{(}~\text{table}~~\text{0}~\text{)} \\
\production{element segment} &
\text{(}~\text{elem}~~\Tid^?~~\text{(}~\text{offset}~~\Texpr_I~\text{)}~~\Tvec(\Tfuncidx_I)~\text{)}
\text{(}~\text{elem}~~\Tid^?~~\text{(}~\text{offset}~~\Texpr_I~\text{)}~~\\ &
\qquad \Tvec(\Tfuncidx_I)~\text{)}
&\equiv&
\text{(}~\text{elem}~~\Tid^?~~\text{(}~\text{table}~~\text{0}~\text{)}~~\text{(}~\text{offset}~~\Texpr_I~\text{)}~~\text{func}~~\Tvec(\Tfuncidx_I)~\text{)}
\text{(}~\text{elem}~~\Tid^?~~\text{(}~\text{table}~~\text{0}~\text{)}~~\text{(}~\text{offset}~~\Texpr_I~\text{)}~~\\ &
&&\qquad \text{func}~~\Tvec(\Tfuncidx_I)~\text{)}
\end{array}

As another abbreviation, element segments may also be specified inline with :ref:`table <text-table>` definitions; see the respective section.
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