Proper LaTeX3 syntax for usepackage - ProvidesPackage
Clash Royale CLAN TAG#URR8PPP
The MWE_1 defines a document command which in turn calls a cs_ macro. Both are defined in the document's preamble section sandwiched between ExplSyntaxOn ExplSyntaxOff statements, as is the declaration of the associated local and global variables. There seems to be little reason to define document commands for the purpose of using them in a single document, and no reason whatsoever to develop cs_ macros with that scope in mind, hence I usually work with a number of .sty files. For the purpose of demonstration let the preamble of MWE_1 be packaged in the file myCommandsAndMacros.sty which is headed with the instruction ProvidesPackagemyCommandsAndMacros and in MWE_2 loaded with the instruction usepackagemyCommandsAndMacros - not sure where in the distant past I gleaned this process from, but it works. To my surprise I now learn (see Part II in the LaTeX3 Interfaces document) that ProvidesPackage is an instruction that belongs to LaTeX2 (although it may be used by LaTeX3), but all attempts to modify the syntax I have been using to ProvidesExplPackagemyCommandsAndMacros fail with error !Paragraph ended before ProvidesExplPackage was complete.
MWE_1:
documentclassarticle
%-----------------------
usepackage[check-declarations,log-functions,enable-debug]expl3
% or: RequirePackage[check-declarations,log-functions,enable-debug]expl3
usepackagexparse
%-----------------------
ExplSyntaxOn
% Variable Declarations:
tl_new:N l_rn_auxOne_tl
int_new:N l_rn_auxOne_int
int_new:N g_rn_Result_int
cs_new:Npn rnUtils_Squared:n #1
group_begin:
int_set:Nn l_rn_auxOne_int #1
int_gset:Nn g_rn_Result_int int_eval:n l_rn_auxOne_int *l_rn_auxOne_int
group_end:
% rnUtils_Squared:n
NewDocumentCommandmyDocumentCommandO911Oabc
int_set:Nn l_rn_auxOne_int #1
rnUtils_Squared:n l_rn_auxOne_int
tl_set:Nn l_rn_auxOne_tl #2
int_use:N g_rn_Result_int,~tl_use:N l_rn_auxOne_tl
% myDocumentCommand
ExplSyntaxOff
%-----------------------
begindocument
myDocumentCommand[2][$alpha$]
myDocumentCommand
enddocument
MWE_2:
documentclassarticle
%-----------------------
usepackage[check-declarations,log-functions,enable-debug]expl3
% or: RequirePackage[check-declarations,log-functions,enable-debug]expl3
usepackagexparse
usepackagemyCommandsAndMacros
%-----------------------
begindocument
myDocumentCommand[2][$alpha$]
myDocumentCommand
enddocument
myCommandsAndMacros.sty
ProvidesPackagemyCommandsAndMacros
%ProvidesExplPackagemyCommandsAndMacros ==> ERROR
% ===========================================================
ExplSyntaxOn
% Variable Declarations:
tl_new:N l_rn_auxOne_tl
int_new:N l_rn_auxOne_int
int_new:N g_rn_Result_int
cs_new:Npn rnUtils_Squared:n #1
group_begin:
int_set:Nn l_rn_auxOne_int #1
int_gset:Nn g_rn_Result_int int_eval:n l_rn_auxOne_int *l_rn_auxOne_int
group_end:
% rnUtils_Squared:n
NewDocumentCommandmyDocumentCommandO911Oabc
int_set:Nn l_rn_auxOne_int #1
rnUtils_Squared:n l_rn_auxOne_int
tl_set:Nn l_rn_auxOne_tl #2
int_use:N g_rn_Result_int,~tl_use:N l_rn_auxOne_tl
% myDocumentCommand
ExplSyntaxOff
expl3
edited Dec 24 '18 at 8:01
Joseph Wright♦
202k21555882
asked Dec 24 '18 at 6:22
Reinhard Neuwirth
1,55111322
add a comment |
The MWE_1 defines a document command which in turn calls a cs_ macro. Both are defined in the document's preamble section sandwiched between ExplSyntaxOn ExplSyntaxOff statements, as is the declaration of the associated local and global variables. There seems to be little reason to define document commands for the purpose of using them in a single document, and no reason whatsoever to develop cs_ macros with that scope in mind, hence I usually work with a number of .sty files. For the purpose of demonstration let the preamble of MWE_1 be packaged in the file myCommandsAndMacros.sty which is headed with the instruction ProvidesPackagemyCommandsAndMacros and in MWE_2 loaded with the instruction usepackagemyCommandsAndMacros - not sure where in the distant past I gleaned this process from, but it works. To my surprise I now learn (see Part II in the LaTeX3 Interfaces document) that ProvidesPackage is an instruction that belongs to LaTeX2 (although it may be used by LaTeX3), but all attempts to modify the syntax I have been using to ProvidesExplPackagemyCommandsAndMacros fail with error !Paragraph ended before ProvidesExplPackage was complete.
MWE_1:
documentclassarticle
%-----------------------
usepackage[check-declarations,log-functions,enable-debug]expl3
% or: RequirePackage[check-declarations,log-functions,enable-debug]expl3
usepackagexparse
%-----------------------
ExplSyntaxOn
% Variable Declarations:
tl_new:N l_rn_auxOne_tl
int_new:N l_rn_auxOne_int
int_new:N g_rn_Result_int
cs_new:Npn rnUtils_Squared:n #1
group_begin:
int_set:Nn l_rn_auxOne_int #1
int_gset:Nn g_rn_Result_int int_eval:n l_rn_auxOne_int *l_rn_auxOne_int
group_end:
% rnUtils_Squared:n
NewDocumentCommandmyDocumentCommandO911Oabc
int_set:Nn l_rn_auxOne_int #1
rnUtils_Squared:n l_rn_auxOne_int
tl_set:Nn l_rn_auxOne_tl #2
int_use:N g_rn_Result_int,~tl_use:N l_rn_auxOne_tl
% myDocumentCommand
ExplSyntaxOff
%-----------------------
begindocument
myDocumentCommand[2][$alpha$]
myDocumentCommand
enddocument
MWE_2:
documentclassarticle
%-----------------------
usepackage[check-declarations,log-functions,enable-debug]expl3
% or: RequirePackage[check-declarations,log-functions,enable-debug]expl3
usepackagexparse
usepackagemyCommandsAndMacros
%-----------------------
begindocument
myDocumentCommand[2][$alpha$]
myDocumentCommand
enddocument
myCommandsAndMacros.sty
ProvidesPackagemyCommandsAndMacros
%ProvidesExplPackagemyCommandsAndMacros ==> ERROR
% ===========================================================
ExplSyntaxOn
% Variable Declarations:
tl_new:N l_rn_auxOne_tl
int_new:N l_rn_auxOne_int
int_new:N g_rn_Result_int
cs_new:Npn rnUtils_Squared:n #1
group_begin:
int_set:Nn l_rn_auxOne_int #1
int_gset:Nn g_rn_Result_int int_eval:n l_rn_auxOne_int *l_rn_auxOne_int
group_end:
% rnUtils_Squared:n
NewDocumentCommandmyDocumentCommandO911Oabc
int_set:Nn l_rn_auxOne_int #1
rnUtils_Squared:n l_rn_auxOne_int
tl_set:Nn l_rn_auxOne_tl #2
int_use:N g_rn_Result_int,~tl_use:N l_rn_auxOne_tl
% myDocumentCommand
ExplSyntaxOff
expl3
edited Dec 24 '18 at 8:01
Joseph Wright♦
202k21555882
asked Dec 24 '18 at 6:22
Reinhard Neuwirth
1,55111322
2
I don't know and I haven't read the question yet, butExplSyntaxOnandOffis likely not needed in an expl package.
– Manuel
Dec 24 '18 at 6:31
If you use the L3 version, isn't expl syntax automatically toggled on?
– Johannes_B
Dec 24 '18 at 6:32
2
You needRequirePackageexpl3 ProvidesExplPackage .... And you probably also want to addRequirePackagexparse.
– Henri Menke
Dec 24 '18 at 6:43
2
ProvidesExplPackagetakes four arguments:ProvidesExplPackage<package><date><version><description>not just one and an optional argument likeProvidesPackage<package>[<version and date info>]. Cf. also texdev.net/2011/12/11/…
– moewe
Dec 24 '18 at 6:58
1
Off-topic: you have non-expandable material, so you needcs_new_protected:Npnnotcs_new:Npn.
– Joseph Wright♦
Dec 24 '18 at 8:02
add a comment |
The MWE_1 defines a document command which in turn calls a cs_ macro. Both are defined in the document's preamble section sandwiched between ExplSyntaxOn ExplSyntaxOff statements, as is the declaration of the associated local and global variables. There seems to be little reason to define document commands for the purpose of using them in a single document, and no reason whatsoever to develop cs_ macros with that scope in mind, hence I usually work with a number of .sty files. For the purpose of demonstration let the preamble of MWE_1 be packaged in the file myCommandsAndMacros.sty which is headed with the instruction ProvidesPackagemyCommandsAndMacros and in MWE_2 loaded with the instruction usepackagemyCommandsAndMacros - not sure where in the distant past I gleaned this process from, but it works. To my surprise I now learn (see Part II in the LaTeX3 Interfaces document) that ProvidesPackage is an instruction that belongs to LaTeX2 (although it may be used by LaTeX3), but all attempts to modify the syntax I have been using to ProvidesExplPackagemyCommandsAndMacros fail with error !Paragraph ended before ProvidesExplPackage was complete.
MWE_1:
documentclassarticle
%-----------------------
usepackage[check-declarations,log-functions,enable-debug]expl3
% or: RequirePackage[check-declarations,log-functions,enable-debug]expl3
usepackagexparse
%-----------------------
ExplSyntaxOn
% Variable Declarations:
tl_new:N l_rn_auxOne_tl
int_new:N l_rn_auxOne_int
int_new:N g_rn_Result_int
cs_new:Npn rnUtils_Squared:n #1
group_begin:
int_set:Nn l_rn_auxOne_int #1
int_gset:Nn g_rn_Result_int int_eval:n l_rn_auxOne_int *l_rn_auxOne_int
group_end:
% rnUtils_Squared:n
NewDocumentCommandmyDocumentCommandO911Oabc
int_set:Nn l_rn_auxOne_int #1
rnUtils_Squared:n l_rn_auxOne_int
tl_set:Nn l_rn_auxOne_tl #2
int_use:N g_rn_Result_int,~tl_use:N l_rn_auxOne_tl
% myDocumentCommand
ExplSyntaxOff
%-----------------------
begindocument
myDocumentCommand[2][$alpha$]
myDocumentCommand
enddocument
MWE_2:
documentclassarticle
%-----------------------
usepackage[check-declarations,log-functions,enable-debug]expl3
% or: RequirePackage[check-declarations,log-functions,enable-debug]expl3
usepackagexparse
usepackagemyCommandsAndMacros
%-----------------------
begindocument
myDocumentCommand[2][$alpha$]
myDocumentCommand
enddocument
myCommandsAndMacros.sty
ProvidesPackagemyCommandsAndMacros
%ProvidesExplPackagemyCommandsAndMacros ==> ERROR
% ===========================================================
ExplSyntaxOn
% Variable Declarations:
tl_new:N l_rn_auxOne_tl
int_new:N l_rn_auxOne_int
int_new:N g_rn_Result_int
cs_new:Npn rnUtils_Squared:n #1
group_begin:
int_set:Nn l_rn_auxOne_int #1
int_gset:Nn g_rn_Result_int int_eval:n l_rn_auxOne_int *l_rn_auxOne_int
group_end:
% rnUtils_Squared:n
NewDocumentCommandmyDocumentCommandO911Oabc
int_set:Nn l_rn_auxOne_int #1
rnUtils_Squared:n l_rn_auxOne_int
tl_set:Nn l_rn_auxOne_tl #2
int_use:N g_rn_Result_int,~tl_use:N l_rn_auxOne_tl
% myDocumentCommand
ExplSyntaxOff
expl3
edited Dec 24 '18 at 8:01
Joseph Wright♦
202k21555882
asked Dec 24 '18 at 6:22
Reinhard Neuwirth
1,55111322
The MWE_1 defines a document command which in turn calls a cs_ macro. Both are defined in the document's preamble section sandwiched between ExplSyntaxOn ExplSyntaxOff statements, as is the declaration of the associated local and global variables. There seems to be little reason to define document commands for the purpose of using them in a single document, and no reason whatsoever to develop cs_ macros with that scope in mind, hence I usually work with a number of .sty files. For the purpose of demonstration let the preamble of MWE_1 be packaged in the file myCommandsAndMacros.sty which is headed with the instruction ProvidesPackagemyCommandsAndMacros and in MWE_2 loaded with the instruction usepackagemyCommandsAndMacros - not sure where in the distant past I gleaned this process from, but it works. To my surprise I now learn (see Part II in the LaTeX3 Interfaces document) that ProvidesPackage is an instruction that belongs to LaTeX2 (although it may be used by LaTeX3), but all attempts to modify the syntax I have been using to ProvidesExplPackagemyCommandsAndMacros fail with error !Paragraph ended before ProvidesExplPackage was complete.
MWE_1:
documentclassarticle
%-----------------------
usepackage[check-declarations,log-functions,enable-debug]expl3
% or: RequirePackage[check-declarations,log-functions,enable-debug]expl3
usepackagexparse
%-----------------------
ExplSyntaxOn
% Variable Declarations:
tl_new:N l_rn_auxOne_tl
int_new:N l_rn_auxOne_int
int_new:N g_rn_Result_int
cs_new:Npn rnUtils_Squared:n #1
group_begin:
int_set:Nn l_rn_auxOne_int #1
int_gset:Nn g_rn_Result_int int_eval:n l_rn_auxOne_int *l_rn_auxOne_int
group_end:
% rnUtils_Squared:n
NewDocumentCommandmyDocumentCommandO911Oabc
int_set:Nn l_rn_auxOne_int #1
rnUtils_Squared:n l_rn_auxOne_int
tl_set:Nn l_rn_auxOne_tl #2
int_use:N g_rn_Result_int,~tl_use:N l_rn_auxOne_tl
% myDocumentCommand
ExplSyntaxOff
%-----------------------
begindocument
myDocumentCommand[2][$alpha$]
myDocumentCommand
enddocument
MWE_2:
documentclassarticle
%-----------------------
usepackage[check-declarations,log-functions,enable-debug]expl3
% or: RequirePackage[check-declarations,log-functions,enable-debug]expl3
usepackagexparse
usepackagemyCommandsAndMacros
%-----------------------
begindocument
myDocumentCommand[2][$alpha$]
myDocumentCommand
enddocument
myCommandsAndMacros.sty
ProvidesPackagemyCommandsAndMacros
%ProvidesExplPackagemyCommandsAndMacros ==> ERROR
% ===========================================================
ExplSyntaxOn
% Variable Declarations:
tl_new:N l_rn_auxOne_tl
int_new:N l_rn_auxOne_int
int_new:N g_rn_Result_int
cs_new:Npn rnUtils_Squared:n #1
group_begin:
int_set:Nn l_rn_auxOne_int #1
int_gset:Nn g_rn_Result_int int_eval:n l_rn_auxOne_int *l_rn_auxOne_int
group_end:
% rnUtils_Squared:n
NewDocumentCommandmyDocumentCommandO911Oabc
int_set:Nn l_rn_auxOne_int #1
rnUtils_Squared:n l_rn_auxOne_int
tl_set:Nn l_rn_auxOne_tl #2
int_use:N g_rn_Result_int,~tl_use:N l_rn_auxOne_tl
% myDocumentCommand
ExplSyntaxOff
expl3
expl3
edited Dec 24 '18 at 8:01
Joseph Wright♦
202k21555882
asked Dec 24 '18 at 6:22
Reinhard Neuwirth
1,55111322
edited Dec 24 '18 at 8:01
Joseph Wright♦
202k21555882
asked Dec 24 '18 at 6:22
Reinhard Neuwirth
1,55111322
edited Dec 24 '18 at 8:01
Joseph Wright♦
202k21555882
edited Dec 24 '18 at 8:01
Joseph Wright♦
202k21555882
edited Dec 24 '18 at 8:01
Joseph Wright♦
202k21555882
202k21555882
asked Dec 24 '18 at 6:22
Reinhard Neuwirth
1,55111322
asked Dec 24 '18 at 6:22
Reinhard Neuwirth
1,55111322
asked Dec 24 '18 at 6:22
Reinhard Neuwirth
1,55111322
1,55111322
2
I don't know and I haven't read the question yet, butExplSyntaxOnandOffis likely not needed in an expl package.
– Manuel
Dec 24 '18 at 6:31
If you use the L3 version, isn't expl syntax automatically toggled on?
– Johannes_B
Dec 24 '18 at 6:32
2
You needRequirePackageexpl3 ProvidesExplPackage .... And you probably also want to addRequirePackagexparse.
– Henri Menke
Dec 24 '18 at 6:43
2
ProvidesExplPackagetakes four arguments:ProvidesExplPackage<package><date><version><description>not just one and an optional argument likeProvidesPackage<package>[<version and date info>]. Cf. also texdev.net/2011/12/11/…
– moewe
Dec 24 '18 at 6:58
1
Off-topic: you have non-expandable material, so you needcs_new_protected:Npnnotcs_new:Npn.
– Joseph Wright♦
Dec 24 '18 at 8:02
add a comment |
2
I don't know and I haven't read the question yet, butExplSyntaxOnandOffis likely not needed in an expl package.
– Manuel
Dec 24 '18 at 6:31
If you use the L3 version, isn't expl syntax automatically toggled on?
– Johannes_B
Dec 24 '18 at 6:32
2
You needRequirePackageexpl3 ProvidesExplPackage .... And you probably also want to addRequirePackagexparse.
– Henri Menke
Dec 24 '18 at 6:43
2
ProvidesExplPackagetakes four arguments:ProvidesExplPackage<package><date><version><description>not just one and an optional argument likeProvidesPackage<package>[<version and date info>]. Cf. also texdev.net/2011/12/11/…
– moewe
Dec 24 '18 at 6:58
1
Off-topic: you have non-expandable material, so you needcs_new_protected:Npnnotcs_new:Npn.
– Joseph Wright♦
Dec 24 '18 at 8:02
2
2
I don't know and I haven't read the question yet, but
ExplSyntaxOn and Off is likely not needed in an expl package.– Manuel
Dec 24 '18 at 6:31
I don't know and I haven't read the question yet, but
ExplSyntaxOn and Off is likely not needed in an expl package.– Manuel
Dec 24 '18 at 6:31
If you use the L3 version, isn't expl syntax automatically toggled on?
– Johannes_B
Dec 24 '18 at 6:32
If you use the L3 version, isn't expl syntax automatically toggled on?
– Johannes_B
Dec 24 '18 at 6:32
2
2
You need
RequirePackageexpl3 ProvidesExplPackage .... And you probably also want to add RequirePackagexparse.– Henri Menke
Dec 24 '18 at 6:43
You need
RequirePackageexpl3 ProvidesExplPackage .... And you probably also want to add RequirePackagexparse.– Henri Menke
Dec 24 '18 at 6:43
2
2
ProvidesExplPackage takes four arguments: ProvidesExplPackage<package><date><version><description> not just one and an optional argument like ProvidesPackage<package>[<version and date info>]. Cf. also texdev.net/2011/12/11/…– moewe
Dec 24 '18 at 6:58
ProvidesExplPackage takes four arguments: ProvidesExplPackage<package><date><version><description> not just one and an optional argument like ProvidesPackage<package>[<version and date info>]. Cf. also texdev.net/2011/12/11/…– moewe
Dec 24 '18 at 6:58
1
1
Off-topic: you have non-expandable material, so you need
cs_new_protected:Npn not cs_new:Npn.– Joseph Wright♦
Dec 24 '18 at 8:02
Off-topic: you have non-expandable material, so you need
cs_new_protected:Npn not cs_new:Npn.– Joseph Wright♦
Dec 24 '18 at 8:02
add a comment |
1 Answer
1
active
oldest
votes
Unlike ProvidesPackage, which uses a single argument for several different pieces of data, ProvidesExplPackage has a separate argument for each. For example
RequirePackageexpl3
ProvidesExplPackage siunitx 2018-07-21 3.0.0-alpha
A comprehensive (SI) units package
% Here, `expl3` syntax is active
answered Dec 24 '18 at 8:04
Joseph Wright♦
202k21555882
add a comment |
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Unlike ProvidesPackage, which uses a single argument for several different pieces of data, ProvidesExplPackage has a separate argument for each. For example
RequirePackageexpl3
ProvidesExplPackage siunitx 2018-07-21 3.0.0-alpha
A comprehensive (SI) units package
% Here, `expl3` syntax is active
answered Dec 24 '18 at 8:04
Joseph Wright♦
202k21555882
add a comment |
Unlike ProvidesPackage, which uses a single argument for several different pieces of data, ProvidesExplPackage has a separate argument for each. For example
RequirePackageexpl3
ProvidesExplPackage siunitx 2018-07-21 3.0.0-alpha
A comprehensive (SI) units package
% Here, `expl3` syntax is active
answered Dec 24 '18 at 8:04
Joseph Wright♦
202k21555882
add a comment |
Unlike ProvidesPackage, which uses a single argument for several different pieces of data, ProvidesExplPackage has a separate argument for each. For example
RequirePackageexpl3
ProvidesExplPackage siunitx 2018-07-21 3.0.0-alpha
A comprehensive (SI) units package
% Here, `expl3` syntax is active
answered Dec 24 '18 at 8:04
Joseph Wright♦
202k21555882
Unlike ProvidesPackage, which uses a single argument for several different pieces of data, ProvidesExplPackage has a separate argument for each. For example
RequirePackageexpl3
ProvidesExplPackage siunitx 2018-07-21 3.0.0-alpha
A comprehensive (SI) units package
% Here, `expl3` syntax is active
answered Dec 24 '18 at 8:04
Joseph Wright♦
202k21555882
answered Dec 24 '18 at 8:04
Joseph Wright♦
202k21555882
answered Dec 24 '18 at 8:04
Joseph Wright♦
202k21555882
answered Dec 24 '18 at 8:04
Joseph Wright♦
202k21555882
202k21555882
add a comment |
add a comment |
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2
I don't know and I haven't read the question yet, but
ExplSyntaxOnandOffis likely not needed in an expl package.– Manuel
Dec 24 '18 at 6:31
If you use the L3 version, isn't expl syntax automatically toggled on?
– Johannes_B
Dec 24 '18 at 6:32
2
You need
RequirePackageexpl3 ProvidesExplPackage .... And you probably also want to addRequirePackagexparse.– Henri Menke
Dec 24 '18 at 6:43
2
ProvidesExplPackagetakes four arguments:ProvidesExplPackage<package><date><version><description>not just one and an optional argument likeProvidesPackage<package>[<version and date info>]. Cf. also texdev.net/2011/12/11/…– moewe
Dec 24 '18 at 6:58
1
Off-topic: you have non-expandable material, so you need
cs_new_protected:Npnnotcs_new:Npn.– Joseph Wright♦
Dec 24 '18 at 8:02