Hi all, I wanted to fix one bug in AUCTeX style for mathtools but it became a bigger surgery. I'm attaching the style file and the diff file to this mail for review. Is anybody familiar to the package and can give the style a roll? I've never used it, I just updated the style ;-)
mathtools.el
Description: application/emacs-lisp
diff --git a/style/mathtools.el b/style/mathtools.el index 68fed88..c6c4b17 100644 --- a/style/mathtools.el +++ b/style/mathtools.el @@ -1,6 +1,6 @@ ;;; mathtools.el --- Style hook for the LaTeX package `mathtools'. -;; Copyright (C) 2011-2012, 2014 Free Software Foundation, Inc. +;; Copyright (C) 2011-2012, 2014, 2016 Free Software Foundation, Inc. ;; Author: Mads Jensen <[email protected]> ;; Created: 2011-02-13 @@ -36,30 +36,213 @@ ;;; Code: +;; Needed for auto-parsing. +(require 'tex) + ;; amsmath options which can be passed directly to mathtools are ;; appended in the style hook below (defvar LaTeX-mathtools-package-options - '("fixamsmath" "donotfixamsmathbugs" "allowspaces" "disallowspaces") + '("fixamsmath" "donotfixamsmathbugs" "allowspaces" "disallowspaces" + ;; Update 2013: We now make \(\) and \[\] robust (can be disabled + ;; via nonrobust package option) + "nonrobust") "Package options for the mathtools package.") (defvar LaTeX-mathtools-key-val-options '(("showonlyrefs") ("mathic" ("true" "false")) ("showmanualtags" ("true" "false")) + ;; 3.4.1 Matrices + ("smallmatrix-align" ("c" "l" "r")) + ("smallmatrix-inner-space") + ;; 3.4.2 The multlined environment ("firstline-afterskip") ("lastline-preskip") ("multlined-pos" ("c" "b" "t")) ("multlined-width") + ;; 3.4.7 Centered \vdots + ("shortvdotsadjustabove") + ("shortvdotsadjustbelow") + ;; 3.5 Intertext and short intertext + ("original-intertext" ("true" "false")) + ("original-shortintertext" ("true" "false")) + ("above-intertext-sep") + ("below-intertext-sep") + ("above-shortintertext-sep") + ("below-shortintertext-sep") + ;; 3.7.2 Vertically centered colon ("centercolon" ("true" "false")) + ;; 4.2 Left sub/superscripts ("prescript-sub-format") ("prescript-sup-format") ("prescript-arg-format")) - "Options for the \\mathtoolsset command") + "Options for the \\mathtoolsset command.") + +;; Setup for \newtagform +(TeX-auto-add-type "mathtools-newtagform" "LaTeX") + +(defvar LaTeX-mathtools-newtagform-regexp + '("\\\\newtagform{\\([^}]+\\)}" + 1 LaTeX-auto-mathtools-newtagform) + "Matches the first argument of \\newtagform from mathtools package.") + +;; Setup for \DeclarePairedDelimiter(X)?: +(TeX-auto-add-type "mathtools-DeclarePairedDelimiter" "LaTeX") + +(defvar LaTeX-mathtools-DeclarePairedDelimiter-regexp + `(,(concat "\\\\DeclarePairedDelimiter\\(?:X\\|XPP\\)?" + "{?" + "\\\\\\([a-zA-Z]+\\)" + "}?" + "\\(?:\\[\\([0-9]+\\)\\]\\)?") + (1 2) LaTeX-auto-mathtools-DeclarePairedDelimiter) + "Match the arguments of \\DeclarePairedDelimiterX? from mathtools package.") + +;; Setup for \newgathered +(TeX-auto-add-type "mathtools-newgathered" "LaTeX") + +(defvar LaTeX-mathtools-newgathered-regexp + '("\\\\newgathered{\\([^}]+\\)}" + 1 LaTeX-auto-mathtools-newgathered) + "Matches the first argument of \\newgathered from mathtools package.") + +(defun LaTeX-mathtools-auto-prepare () + "Clear various variables for mathtools package before parsing." + (setq LaTeX-auto-mathtools-newtagform nil + LaTeX-auto-mathtools-DeclarePairedDelimiter nil + LaTeX-auto-mathtools-newgathered nil)) + +(defun LaTeX-mathtools-auto-cleanup () + "Process the parsed elements for mathtools package." + (when (LaTeX-mathtools-DeclarePairedDelimiter-list) + (dolist (delim (LaTeX-mathtools-DeclarePairedDelimiter-list)) + (let ((cmd (car delim)) + (arg (cadr delim))) + (TeX-add-symbols `(,cmd [ LaTeX-mathtools-arg-mathsize-completion ] + ,(if (string= arg "") + 1 + (string-to-number arg))) + `(,(concat cmd "*") + ,(if (string= arg "") + 1 + (string-to-number arg))))))) + (when (LaTeX-mathtools-newgathered-list) + (dolist (env (mapcar #'car (LaTeX-mathtools-newgathered-list))) + (LaTeX-add-environments env) + (add-to-list 'LaTeX-item-list + `(,env . LaTeX-item-equation) t) + (add-to-list 'LaTeX-label-alist + `(,env . LaTeX-amsmath-label) t) + (when (boundp 'reftex-label-alist) + (add-to-list 'reftex-label-alist `(,env ?e nil nil t) t))))) + +(add-hook 'TeX-auto-prepare-hook #'LaTeX-mathtools-auto-prepare t) +(add-hook 'TeX-auto-cleanup-hook #'LaTeX-mathtools-auto-cleanup t) +(add-hook 'TeX-update-style-hook #'TeX-auto-parse t) + +(defun LaTeX-mathtools-arg-mathstyle-completion (optional) + "Query and insert mathstyle argument to various commands. +If OPTIONAL, insert it as optional argument in brackets." + (TeX-argument-insert + (let ((style (completing-read + (TeX-argument-prompt optional nil + (concat "Math style: " TeX-esc) t) + '("displaystyle" "textstyle" + "scriptstyle" "scriptscriptstyle")))) + (if (string= style "") + style + (concat TeX-esc style))) + optional)) + +(defun LaTeX-mathtools-arg-mathsize-completion (optional) + "Query and insert math size argument to various commands. +If OPTIONAL, insert it as optional argument in brackets." + (TeX-argument-insert + (let ((size (completing-read + (TeX-argument-prompt optional nil + (concat "Size command: " TeX-esc) t) + '("big" "Big" "bigg" "Bigg")))) + (if (string= size "") + size + (concat TeX-esc size))) + optional)) + +(defun LaTeX-mathtools-arg-declarepaireddelimiter (optional &optional X) + "Query and insert various \\DeclarePairedDelimiter macros from mathtools package." + (let ((cmd (TeX-read-string (concat "Command: " TeX-esc))) + (arg (when X (TeX-read-string + (TeX-argument-prompt t nil "Number of arguments"))))) + (TeX-add-symbols `(,cmd [ LaTeX-mathtools-arg-mathsize-completion ] + ,(if X + ;; This is no precaution, arg has to be > 0 + (string-to-number arg) + 1)) + `(,(concat cmd "*") + ,(if X + (string-to-number arg) + 1))) + (LaTeX-add-mathtools-DeclarePairedDelimiters + `(,cmd ,(if X arg ""))) + (TeX-argument-insert (concat TeX-esc cmd) optional) + (when arg + (insert (concat LaTeX-optop arg LaTeX-optcl))))) + +(defun LaTeX-mathtools-env-multlined (env) + "Query and insert two optional arguments for ENV multlined. +If both arguments are given, insert them in brackets. If only a +width is given, insert it prefixed with a pair of empty +brackets." + (let ((pos (TeX-read-string + (TeX-argument-prompt t nil "Position (t, b or c (default))"))) + (width (completing-read + (TeX-argument-prompt t nil "Width") + (mapcar + (lambda (x) (concat TeX-esc (car x))) + (LaTeX-length-list))))) + (LaTeX-insert-environment + env + (cond (;; both arguments + (and pos (not (string= pos "")) + width (not (string= width ""))) + (format "[%s][%s]" pos width)) + (;; pos not empty, width empty + (and pos (not (string= pos "")) + (string= width "")) + (format "[%s]" pos)) + (;; pos empty, width not + (and (string= pos "") + width (not (string= width ""))) + (format "[][%s]" width)) + (t nil))))) + +(defun LaTeX-mathtools-env-cases (env) + "Insert various cases ENVs incl. an ampersand from mathtools package." + (LaTeX-insert-environment env) + (save-excursion + (insert ?&))) + +(defun LaTeX-mathtools-item-cases () + "Insert contents to terminate a line in multi-line cases environment. +Put line break macro on the last line. Next, insert an ampersand." + (end-of-line 0) + (just-one-space) + (TeX-insert-macro "\\") + (forward-line 1) + (save-excursion + (insert ?&))) (TeX-add-style-hook "mathtools" (lambda () + ;; Add mathtools to parser + (TeX-auto-add-regexp LaTeX-mathtools-newtagform-regexp) + (TeX-auto-add-regexp LaTeX-mathtools-DeclarePairedDelimiter-regexp) + (TeX-auto-add-regexp LaTeX-mathtools-newgathered-regexp) + + ;; "default" is pre-defined + (LaTeX-add-mathtools-newtagforms "default") + ;; mathtools requires amsmath, as some bugs in amsmath are fixed (TeX-run-style-hooks "amsmath") @@ -67,39 +250,82 @@ (add-to-list 'LaTeX-mathtools-package-options elt)) (LaTeX-add-environments - '("lgathered" ["Vertical position (t or b)"]) - '("rgathered" ["Vertical position (t or b)"]) + ;; 3.4.1 Matrices + '("matrix*" [ "Vertical alignment (l, r or c (default))" ]) + '("pmatrix*" [ "Vertical alignment (l, r or c (default))" ]) + '("bmatrix*" [ "Vertical alignment (l, r or c (default))" ]) + '("Bmatrix*" [ "Vertical alignment (l, r or c (default))" ]) + '("vmatrix*" [ "Vertical alignment (l, r or c (default))" ]) + '("Vmatrix*" [ "Vertical alignment (l, r or c (default))" ]) + '("smallmatrix*" [ "Vertical alignment (l, r or c (default))" ]) + '("psmallmatrix") + '("psmallmatrix*" [ "Vertical alignment (l, r or c (default))" ]) + '("bsmallmatrix") + '("bsmallmatrix*" [ "Vertical alignment (l, r or c (default))" ]) + '("Bsmallmatrix") + '("Bsmallmatrix*" [ "Vertical alignment (l, r or c (default))" ]) + '("vsmallmatrix") + '("vsmallmatrix*" [ "Vertical alignment (l, r or c (default))" ]) + '("Vsmallmatrix") + '("Vsmallmatrix*" [ "Vertical alignment (l, r or c (default))" ]) + ;; 3.4.2 The multlined environment '("multlined" LaTeX-mathtools-env-multlined) - '("matrix*" LaTeX-mathtools-env-matrix-starred) - '("pmatrix*" LaTeX-mathtools-env-matrix-starred) - '("bmatrix*" LaTeX-mathtools-env-matrix-starred) - '("Bmatrix*" LaTeX-mathtools-env-matrix-starred) - '("vmatrix*" LaTeX-mathtools-env-matrix-starred) - '("Vmatrix*" LaTeX-mathtools-env-matrix-starred) - '("spreadlines" LaTeX-mathtools-env-spreadlines) - "dcases" "dcases*") + ;; 3.4.3 More cases -like environments + '("dcases" LaTeX-mathtools-env-cases) + '("dcases*" LaTeX-mathtools-env-cases) + '("rcases" LaTeX-mathtools-env-cases) + '("rcases*" LaTeX-mathtools-env-cases) + '("drcases" LaTeX-mathtools-env-cases) + '("drcases*" LaTeX-mathtools-env-cases) + '("cases*" LaTeX-mathtools-env-cases) + ;; 4.4 Spreading equations + '("spreadlines" "Spacing between lines") + ;; 4.5 Gathered environments + '("lgathered" ["Vertical position (t or b)"]) + '("rgathered" ["Vertical position (t or b)"])) (TeX-add-symbols - '("mathtoolsset" (TeX-arg-key-val LaTeX-mathtools-key-val)) - '("mathclap" 1) - '("mathllap" ["Mathstyle"] t) - '("mathrlap" ["Mathstyle"] t) - '("mathclap" ["Mathstyle"] t) - '("mathmakebox" [TeX-arg-size] [ TeX-arg-size ] 1) + '("mathtoolsset" (TeX-arg-key-val LaTeX-mathtools-key-val-options)) + ;; 3.1.1 A complement to \smash, \llap, and \rlap + '("mathllap" [ LaTeX-mathtools-arg-mathstyle-completion ] t) + '("mathrlap" [ LaTeX-mathtools-arg-mathstyle-completion ] t) + '("mathclap" [ LaTeX-mathtools-arg-mathstyle-completion ] t) + '("mathmakebox" [ (TeX-arg-length "Width") ] [ "Position" ] 1) '("clap" 1) '("mathmbox" 1) - '("cramped" 1) - '("crampedllap" [ "Mathstye" ] t) - '("crampedrlap" [ "Mathstyle" ] t) - '("crampedclap" [ "Mathstyle" ] t) - '("smashoperator" [ "Position (l, r or lr (default)" ] 2) + ;; 3.1.2 Forcing a cramped style + '("cramped" [ LaTeX-mathtools-arg-mathstyle-completion ] 1) + '("crampedllap" [ LaTeX-mathtools-arg-mathstyle-completion ] t) + '("crampedrlap" [ LaTeX-mathtools-arg-mathstyle-completion ] t) + '("crampedclap" [ LaTeX-mathtools-arg-mathstyle-completion ] t) + ;; 3.1.3 Smashing an operator + '("smashoperator" [ "Position (l, r or lr (default)" ] 1) ;; 3.1.4 Adjusting the limits of operators - ;; explicit argument encapsulation does not seem to be required - '("adjustlimits" 4) - ;; 3.2 Controlling tags - '("newtagform" "Name" ["Inner format"] "Left" "Right") - '("renewtagform" "Name" ["Inner format"] "Left" "Right") - '("usetagform" "Name") + '("adjustlimits" t (TeX-arg-literal "_") nil nil (TeX-arg-literal "_") nil) + ;; 3.1.5 Swapping space above AMS display math environments + '("SwapAboveDisplaySkip" 0) + ;; 3.2.1 The appearance of tags + '("newtagform" + (TeX-arg-eval + (lambda () + (let ((newtag (TeX-read-string + (TeX-argument-prompt nil nil "Name")))) + (LaTeX-add-mathtools-newtagforms newtag) + (format "%s" newtag)))) + [ "Inner format" ] "Left" "Right") + '("renewtagform" + (TeX-arg-eval completing-read + (TeX-argument-prompt nil nil "Name") + (LaTeX-mathtools-newtagform-list)) + [ "Inner format" ] "Left" "Right") + '("usetagform" + (TeX-arg-eval completing-read + (TeX-argument-prompt nil nil "Name") + (LaTeX-mathtools-newtagform-list))) + ;; 3.2.2 Showing only referenced tags + '("refeq" TeX-arg-ref) + '("noeqref" TeX-arg-ref) + ;; 3.3.1 Arrow-like symbols '("xleftrightarrow" ["Below"] "Above") '("xLeftarrow" ["Below"] "Above") '("xRightarrow" ["Below"] "Above") @@ -113,40 +339,99 @@ '("xleftharpoonup" ["Below"] "Above") '("xrightleftharpoons" ["Below"] "Above") '("xleftrightharpoons" ["Below"] "Above") - '("underbracket" [ "Rule thickness" ] [ "Bracket height" ] t) - '("overbracket" [ "Rule thickness" ] [ "Bracket height" ] t) + ;; 3.3.2 Braces and brackets + '("underbracket" [ (TeX-arg-length "Rule thickness") ] + [ (TeX-arg-length "Bracket height") ] t) + '("overbracket" [ (TeX-arg-length "Rule thickness") ] + [ (TeX-arg-length "Bracket height") ] t) '("underbrace" 1) '("overbrace" 1) '("LaTeXunderbrace" 1) '("LaTeXoverbrace" 1) ;; 3.4.2 - '("shoveleft" [ TeX-arg-size ] 1) - '("shoveright" [ TeX-arg-size ] 1) - ;; don't understand t, but intertext in amsmath.el uses it - '("shortintertext" t) - '("DeclarePairedDelimiter" TeX-arg-macro "Left delimiter" "Right delimiter") + '("shoveleft" [ (TeX-arg-length "Dimension") ] 1) + '("shoveright" [ (TeX-arg-length "Dimension") ] 1) ;; 3.4.4 '("MoveEqLeft" [ "Number" ]) + ;; 3.4.5 Boxing a single line in an alignment + '("Aboxed" 1) + ;; 3.4.6 Adding arrows between lines in an alignment '("ArrowBetweenLines" [ TeX-arg-macro ] ) '("ArrowBetweenLines*" [ TeX-arg-macro ] ) - ;; colon operators + ;; 3.4.7 Centered \vdots + '("vdotswithin" "Symbol") + '("shortvdotswithin" "Symbol") + '("shortvdotswithin*" "Symbol") + '("MTFlushSpaceAbove") + '("MTFlushSpaceBelow") + ;; 3.5 Intertext and short intertext + ;; don't understand t, but intertext in amsmath.el uses it + '("shortintertext" t) + ;; 3.6 Paired delimiters + '("DeclarePairedDelimiter" + LaTeX-mathtools-arg-declarepaireddelimiter + "Left delimiter" "Right delimiter") + '("DeclarePairedDelimiterX" + (LaTeX-mathtools-arg-declarepaireddelimiter t) + "Left delimiter" "Right delimiter" t) + '("DeclarePairedDelimiterXPP" + (LaTeX-mathtools-arg-declarepaireddelimiter t) + "Pre-code" "Left delimiter" "Right delimiter" 2) + '("delimsize" 0) + ;; 3.6.1 Expert use + '("reDeclarePairedDelimiterInnerWrapper" + (TeX-arg-eval + (lambda () + (let ((cmd (completing-read + (concat "Command: " TeX-esc) + (mapcar #'car (LaTeX-mathtools-DeclarePairedDelimiter-list))))) + (concat TeX-esc cmd)))) + (TeX-arg-eval completing-read + "star or nostar: " + '("star" "nostar")) + t) + ;; 3.7.1 Left and right parentheses + '("lparen" TeX-arg-insert-right-brace-maybe) + '("rparen") + ;; 3.7.2 Vertically centered colon "vcentcolon" "ordinarycolon" "coloneqq" "Coloneqq" "coloneq" "Coloneq" "eqqcolon" "Eqqcolon" "eqcolon" "Eqcolon" "colonapprox" "Colonapprox" "colonsim" "Colonsim" - ;; 3.7.1 - "lparen" "rparen" - ;; left sub/superscripts + "dblcolon" + ;; 3.7.3 A few missing symbols + "nuparrow" "ndownarrow" "bigtimes" + ;; 4.2 Left sub/superscripts '("prescript" "Below" "Above" t) - ;; Declaring math sizes; this command doesn't seem so relevant, but - ;; for completion, it's included + ;; 4.3 Declaring math sizes '("DeclareMathSizes" 4) - ;; Gathered envionments - '("newgather" "Name" "Pre-line" "Post-line" "After") - '("renewgather" "Name" "Pre-line" "Post-line" "After") - ;; Split fractions + ;; 4.5 Gathered environments + '("newgathered" + (TeX-arg-eval + (lambda () + (let ((env (TeX-read-string + (TeX-argument-prompt nil nil "Name")))) + (LaTeX-add-environments env) + (LaTeX-add-mathtools-newgathereds env) + (add-to-list 'LaTeX-item-list + `(,env . LaTeX-item-equation) t) + (add-to-list 'LaTeX-label-alist + `(,env . LaTeX-amsmath-label) t) + (format "%s" env)))) + 3) + '("renewgathered" + (TeX-arg-eval completing-read + (TeX-argument-prompt nil nil "Name") + (LaTeX-mathtools-newgathered-list)) + 3) + ;; 4.6 Split fractions '("splitfrac" 2) '("splitdfrac" 2)) + ;; Append delimiters to `TeX-braces-association' + ;; 3.7.1 Left and right parentheses + (make-local-variable 'TeX-braces-association) + (add-to-list 'TeX-braces-association '("\\lparen" . "\\rparen") t) + (setq LaTeX-item-list (append '(("multlined" . LaTeX-item-equation) ("lgathered" . LaTeX-item-equation) @@ -158,42 +443,45 @@ ("Bmatrix*" . LaTeX-item-equation) ("vmatrix*" . LaTeX-item-equation) ("Vmatrix*" . LaTeX-item-equation) - ("dcases" . LaTeX-item-equation) - ("dcases*" . LaTeX-item-equation)) + ("dcases" . LaTeX-mathtools-item-cases) + ("dcases*" . LaTeX-mathtools-item-cases) + ("rcases" . LaTeX-mathtools-item-cases) + ("rcases*" . LaTeX-mathtools-item-cases) + ("drcases" . LaTeX-mathtools-item-cases) + ("drcases*" . LaTeX-mathtools-item-cases) + ("cases*" . LaTeX-mathtools-item-cases)) LaTeX-item-list)) (setq LaTeX-label-alist (append '(("lgathered" . LaTeX-amsmath-label) ("rgathered" . LaTeX-amsmath-label) ("multlined" . LaTeX-amsmath-label)) - LaTeX-label-alist))) - LaTeX-dialect) + LaTeX-label-alist)) -(defun LaTeX-mathtools-env-matrix-starred (env) - (let ((where (TeX-read-string "(optional) Vertical placement of columns: "))) - (if (string= where "") - (setq where "") - (setq where (concat "[" where "]"))) - (LaTeX-insert-environment env where))) + ;; RefTeX support: Add env's to `reftex-label-alist' + (when (boundp 'reftex-label-alist) + (let ((envs '(("lgathered" ?e nil nil t) + ("rgathered" ?e nil nil t) + ("multlined" ?e nil nil t)))) + (dolist (env envs) + (add-to-list 'reftex-label-alist env t)))) -(defun LaTeX-mathtools-env-spreadlines (env) - (let ((spread (TeX-read-string "Spacing between lines: "))) - (LaTeX-insert-environment env (concat TeX-grop spread TeX-grcl)) - (newline-and-indent))) + ;; Fontification + (when (and (featurep 'font-latex) + (eq TeX-install-font-lock 'font-latex-setup)) + (font-latex-add-keywords '(("mathtoolsset" "{") + ("newtagform" "{[{{") + ("renewtagform" "{[{{") + ("DeclarePairedDelimiter" "|{\\{{") + ("DeclarePairedDelimiterX" "|{\\[{{{") + ("DeclarePairedDelimiterXPP" "|{\\[{{{{{") + ("reDeclarePairedDelimiterInnerWrapper" "|{\\{{") + ("DeclareMathSizes" "{{{{") + ("newgathered" "{{{{") + ("renewgathered" "{{{{")) + 'function) + (font-latex-add-keywords '(("usetagform" "{")) + 'variable))) + LaTeX-dialect) -;; FIXME: there are probably more subtle ways to support more than one -;; optional argument; please change if this is the case -(defun LaTeX-mathtools-env-multlined (env) - (let ((pos (TeX-read-string "(optional) Position: ")) - (width (TeX-read-string "(optional) Width: ")) - (extra "")) - (if (not (string= pos "")) - (setq pos (concat LaTeX-optop pos LaTeX-optcl)) - (setq pos "")) - (if (not (string= width "")) - (setq width (concat LaTeX-optop width LaTeX-optcl)) - (setq width "")) - (setq extra (concat pos width)) - (LaTeX-insert-environment env extra))) - -;;; mathtools.el ends here. +;;; mathtools.el ends here
@Lars: I also found some typos in the manual. Please find attached a small diff against mathtools.dtx for your review. By chance, do you use Emacs?
--- mathtools.dtx.orig 2016-08-15 19:59:53.404392700 +0200
+++ mathtools.dtx 2016-08-16 22:09:09.182519600 +0200
@@ -294,7 +294,7 @@
% \begin{abstract}
% The \pkg{mathtools} package is an extension package to
% \pkg{amsmath}. There are two things on \pkg{mathtools}' agenda:
-% 1)~correct various bugs/defeciencies in \pkg{amsmath} until
+% 1)~correct various bugs/deficiencies in \pkg{amsmath} until
% these are fixed by the \AmS{} and 2)~provide useful tools
% for mathematical typesetting, be it a small macro for
% typesetting a prescript or an underbracket, or entirely new
@@ -331,7 +331,7 @@
%
%
% \medskip\noindent
-% Update 2013: We now makes \cs{(}\cs{)} and \cs[\cs]
+% Update 2013: We now make \cs{(}\cs{)} and \cs[\cs]
% robust (can be disabled via \texttt{nonrobust} package option).
%
% \section{Package loading}
@@ -615,7 +615,7 @@
% \cs{smashoperator}\oarg{pos}\marg{operator with limits}
% \end{codesyntax}
% \FeatureRequest{Lars Madsen}{2004/05/04}
-% Above we shoved how to get \LaTeX{} to ignore the width of the
+% Above we showed how to get \LaTeX{} to ignore the width of the
% subscript of an operator. However this approach takes a lot of
% extra typing, especially if you have a wide superscript, meaning
% you have to put in \cs{crampedclap} in both sub- and superscript.
@@ -1181,7 +1181,7 @@
% type valid in the usual \env{array} environment.
%
% While we are at it, we also provide fenced versions of the
-% \env{smallmatrix} environment, To keep up with the naming of the
+% \env{smallmatrix} environment. To keep up with the naming of the
% large matrix environments, we provide both a starred and a
% non-starred version. Since \env{smallmatrix} is defined in a
% different manner than the \env{matrix} environment, the option to
@@ -1229,7 +1229,7 @@
% \]
% Inside the \verb?Xsmallmatrix? construction a small space is
% inserted between the fences and the contents, the size of it can be
-% changed using \key{smallmatrix-align}=\meta{some spacing command},
+% changed using \key{smallmatrix-inner-space}=\meta{some spacing command},
% the default is \cs{,}.
%
% As an extra trick the fences will behave as open and closing fences
@@ -1840,9 +1840,9 @@
% \cs{delimsize}
% \end{codesyntax}
% Sometimes one might want to have the capabilities of
-% \cs{DeclarePairedDelimiter}, but also want a macro the takes more
-% than one argument and specify plus being able to specify the body
-% of the generated macro.
+% \cs{DeclarePairedDelimiter}, but also want a macro that takes more
+% than one argument plus being able to specify the body of the
+% generated macro.
%
% \cs{DeclarePairedDelimiterX} extends the features of
% \cs{DeclarePairedDelimiter} such that the user will get a macro
@@ -2031,7 +2031,7 @@
% \cs{DeclarePairedDelimiterX} we make a few changes such that the
% auto scaled \cs{left} and \cs{right} fences behave as opening and
% closing fences, i.e.\ $\sin(x)$ vs. $\sin\left(x\right)$ (the later
-% made via \verb|$\sin\left(x\right)$|), notice the gab between
+% made via \verb|$\sin\left(x\right)$|), notice the gap between
% '$\sin$' and '('. In some special cases it may be useful to be
% able to tinker with the behavior.
% \begin{codesyntax}
@@ -2395,7 +2395,7 @@
% been fixed in \LaTeX, this fix will be removed from
% \pkg{mathtools}.
%
-% The \CommentAdded{2015/11/12} fix was added to the \LaTeX{} kernel i 2015. We will continue to
+% The \CommentAdded{2015/11/12} fix was added to the \LaTeX{} kernel in 2015. We will continue to
% provide it on older kernels.
%
% \subsection{Spreading equations}\label{sec:spread}
@@ -2512,7 +2512,7 @@
% \SpecialUsageIndex{\splitdfrac}\cs{splitdfrac}\marg{numer}\marg{denom}
% \end{codesyntax}
% \cttPosting{Michael J.~Downes}{2001/12/06}
-% These commands provide split fractions e.g., multiline fractions:
+% These commands provide split fractions, e.g. multiline fractions:
% \begin{verbatim}
% \[
% a=\frac{
Best, Arash
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