some slight reworking

math/mkessler-mathalias.sty

@@ -43,4 +43,3 @@
     \expandafter\makealiasesforwith\expandafter\mathcal\expandafter{\expandafter c\expandafter}\expandafter{\mkessler@mathalias@all}
     \expandafter\makealiasesforwith\expandafter\mathfrak\expandafter{\expandafter f\expandafter}\expandafter{\mkessler@mathalias@all}
 \fi
-

math/mkessler-mathfixes.sty

@@ -28,6 +28,7 @@
 \AtBeginDocument{
     \let\phi\mkessler@mathfixes@stored@varphi
     \let\uglyphi\mkessler@mathfixes@stored@phi
+    \let\oldphi\mkessler@mathfixes@stored@phi
 }
 
 \let\mkessler@mathfixes@stored@epsilon\epsilon

math/mkessler-mathfont.sty

@@ -21,7 +21,7 @@
     \let\mathfrak\mkessler@mathfonts@amsfonts@mathfrak % Set \mathfrak to mathfrak from amsfonts
     \let\mathscr\mkessler@mathfonts@mathrsfs@mathscr % Set \mathscr to mathscript from mathrsfs package
     \let\mathcat\mkessler@mathfonts@mathrsfs@mathscr % Set \mathcat to mathscript from mathrsfs package
-    \let\mathcom\mkessler@mathfonts@eucal@optionmathscr@mathscr % Set \mathcom (for comic) to \mathscr from [mathscr]{eucal} package
+    \let\mathcalo\mkessler@mathfonts@eucal@optionmathscr@mathscr % Set \mathcom (for comic) to \mathscr from [mathscr]{eucal} package
 }
 
 \AtBeginDocument{\mkessler@mathfonts@restorefonts}

removed.sty

@@ -16,6 +16,9 @@
         \RequirePackage[shortlabels]{enumitem}
 }
 
+\newcommand\setItemnumber[1]{\setcounter{enum\romannumeral\@enumdepth}{\numexpr#1-1\relax}}
+
+
 \newcommand{\emphasize}[1]{{\color{red} #1}}
 
 
@@ -25,11 +28,6 @@
 
 \RequirePackage{wrapfig} % Wrap text around figures
 
-\newcommand\setItemnumber[1]{\setcounter{enum\romannumeral\@enumdepth}{\numexpr#1-1\relax}}
 
 % Math-related
 \RequirePackage[export]{adjustbox}
-
-\def\category#1{\mathcat{#1}}
-\newcommand{\cat}[1]{ \mathscr{#1} }
-

todo.md

@@ -16,3 +16,26 @@ There is an option clash (since TexLive 2018) between thmtools, IEEEtrantools an
 
 See also
 https://tex.stackexchange.com/questions/515560/incompatibility-of-thmtools-ieeetrantools-and-cleveref-in-tex-live-2018-2019
+
+
+
+## Ideas for new macros
+
+- Cup with point above for disjoint union
+- Print a complex number i differently
+- function restriction (f|_X f\mid_X is not nice, take spacing from \upharpoonright ?) l. 156 \defon
+- macro for 'entspricht'
+- cev for reversed direction vector, l. 170 \cev
+- integration for mathbf?
+
+# Package reworks
+## mkessler-mathfonts
+- get old calligraphic font and provide it as \mathcalo
+- 
+## mkessler-fancythm
+- spacing of subsection before fancy thm
+
+
+# Package ideas 
+- Define new math environment column types
+