Suggestions for warning

The following packages have something in common with the package warning. The packages are ordered in decreasing similarity.

• eqnnumwarn: Modifies the amsmath equation environments to warn for a displaced equation number
• draftfigure: Replace figures with a white box and additional features
• ifthenx: Extra tests for \ifthenelse
• xifthen: Extended conditional commands
• ifallfalse: Compare a string against a set of other strings
• ifthen: Conditional commands in LaTeX documents
• bitpattern: Typeset bit pattern diagrams
• bitfield: Draw bit field data structure diagrams (obsolete)
• membranecomputing: Membrane Computing notation
• register: Typeset programmable elements in digital hardware (registers)
• bytefield: Create illustrations for network protocol specifications
• hvextern: Write and execute external code, and insert the output
• mpostinl: Embed METAPOST figures within LaTeX documents
• codesection: Provides an environment that may be conditionally included
• lsc: Typesetting Live Sequence Charts
• optional: Facilitate optional printing of parts of a document
• semantic: Help for writing programming language semantics
• version: Conditionally include text
• versions: Optionally omit pieces of text
• renditions: Multiple versions from the same content
• hideanswer: Generate documents with and without answers by toggling a switch
• comment: Selectively include/exclude portions of text
• conditext: Define and manage conditional content
• multiaudience: Several versions of output from the same source
• phfcc: Convenient inline commenting in collaborative documents
• tagging: Document configuration with tags
• xcomment: Allows selected environments to be included/excluded
• acmart: Class for typesetting publications of ACM
• colonequals: Colon equals symbols
• drawstack: Draw execution stacks
• termsim: Simulate Win10, Ubuntu, and Mac terminals