diff --git a/amanuensis/lexicon/__init__.py b/amanuensis/lexicon/__init__.py
index 949cb97..3cece3d 100644
--- a/amanuensis/lexicon/__init__.py
+++ b/amanuensis/lexicon/__init__.py
@@ -6,6 +6,8 @@ from .gameloop import (
 	get_player_characters,
 	get_player_drafts,
 	get_draft,
+	title_constraint_analysis,
+	content_constraint_analysis,
 	attempt_publish)
 from .setup import (
 	player_can_join_lexicon,
@@ -19,6 +21,8 @@ __all__ = [member.__name__ for member in [
 	get_player_characters,
 	get_player_drafts,
 	get_draft,
+	title_constraint_analysis,
+	content_constraint_analysis,
 	attempt_publish,
 	player_can_join_lexicon,
 	add_player_to_lexicon,
diff --git a/amanuensis/lexicon/gameloop.py b/amanuensis/lexicon/gameloop.py
index 49c45b5..9c2feda 100644
--- a/amanuensis/lexicon/gameloop.py
+++ b/amanuensis/lexicon/gameloop.py
@@ -2,16 +2,17 @@
 Submodule of functions for managing lexicon games during the core game
 loop of writing and publishing articles.
 """
-from typing import Iterable, Any, List, Optional
+from typing import Iterable, Any, List, Optional, Tuple
 
 from amanuensis.config import ReadOnlyOrderedDict
-from amanuensis.models import LexiconModel
+from amanuensis.models import LexiconModel, UserModel
 from amanuensis.parser import (
 	parse_raw_markdown,
 	GetCitations,
 	HtmlRenderer,
 	titlesort,
-	filesafe_title)
+	filesafe_title,
+	ConstraintAnalysis)
 
 
 def get_player_characters(
@@ -60,6 +61,94 @@ def get_draft(lexicon: LexiconModel, aid: str) -> Optional[ReadOnlyOrderedDict]:
 		return article
 
 
+def title_constraint_analysis(
+	lexicon: LexiconModel,
+	player: UserModel,
+	title: str) -> Tuple[List[str], List[str]]:
+	"""
+	Checks article constraints for the lexicon against a proposed
+	draft title.
+	"""
+	warnings = []
+	errors = []
+	with lexicon.ctx.read('info') as info:
+		# No title
+		if not title:
+			errors.append('Missing title')
+			return warnings, errors  # No point in further analysis
+		# The article does not sort under the player's assigned index
+		pass
+		# The article's title is new, but its index is full
+		pass
+		# The article's title is a phantom, but the player has cited it before
+		info
+		# Another player is writing an article with this title
+		pass  # warning
+		# Another player has an approved article with this title
+		pass
+		# An article with this title was already written and addendums are
+		# disabled
+		pass
+		# An article with this title was already written and this player has
+		# reached the maximum number of addendum articles
+		pass
+		# The article's title matches a character's name
+		pass  # warning
+
+	return warnings, errors
+
+
+def content_constraint_analysis(
+	lexicon: LexiconModel,
+	player: UserModel,
+	cid: str,
+	parsed) -> Tuple[List[str], List[str], List[str]]:
+	"""
+	Checks article constraints for the lexicon against the content of
+	a draft
+	"""
+	infos = []
+	warnings = []
+	errors = []
+	character = lexicon.cfg.character.get(cid)
+	content_analysis: ConstraintAnalysis = (
+		parsed.render(ConstraintAnalysis(lexicon)))
+	with lexicon.ctx.read('info') as info:
+		infos.append(f'Word count: {content_analysis.word_count}')
+		# Self-citation when forbidden
+		pass
+		# A new citation matches a character's name
+		pass  # warning
+		# Not enough extant citations
+		# Too many extant citations
+		# Not enough phantom citations
+		# Too many phantom citations
+		# Not enough total citations
+		# Too many total citations
+		# Not enough characters' articles cited
+		# Too many characters' articles cited
+		# Exceeded hard word limit
+		if (lexicon.cfg.article.word_limit.hard is not None
+			and content_analysis.word_count > lexicon.cfg.article.word_limit.hard):
+			errors.append('Exceeded maximum word count '
+				f'({lexicon.cfg.article.word_limit.hard})')
+		# Exceeded soft word limit
+		elif (lexicon.cfg.article.word_limit.soft is not None
+			and content_analysis.word_count > lexicon.cfg.article.word_limit.soft):
+			warnings.append('Exceeded suggested maximum word count '
+				f'({lexicon.cfg.article.word_limit.soft})')
+		# Missing signature
+		if content_analysis.signatures < 1:
+			warnings.append('Missing signature')
+		# Multiple signatures
+		if content_analysis.signatures > 1:
+			warnings.append('Multiple signatures')
+		# Signature altered from default
+		pass  # warning
+
+	return infos, warnings, errors
+
+
 def attempt_publish(lexicon: LexiconModel) -> None:
 	"""
 	If the lexicon's publsh policy allows the current set of approved
diff --git a/amanuensis/parser/analyze.py b/amanuensis/parser/analyze.py
index 79ad079..8eb9e8f 100644
--- a/amanuensis/parser/analyze.py
+++ b/amanuensis/parser/analyze.py
@@ -4,7 +4,7 @@ for verification against constraints.
 """
 
 import re
-from typing import Iterable
+from typing import List
 
 from amanuensis.models import LexiconModel
 
@@ -26,29 +26,20 @@ class GetCitations(RenderableVisitor):
 
 class ConstraintAnalysis(RenderableVisitor):
 	def __init__(self, lexicon: LexiconModel):
-		self.info: Iterable[str] = []
-		self.warning: Iterable[str] = []
-		self.error: Iterable[str] = []
+		self.info: List[str] = []
+		self.warning: List[str] = []
+		self.error: List[str] = []
 
 		self.word_count = 0
 		self.citation_count = 0
-		self.has_signature = False
-
-	def ParsedArticle(self, span):
-		# Execute over the article tree
-		span.recurse(self)
-		# Perform analysis
-		self.info.append(f'Word count: {self.word_count}')
-		if not self.has_signature:
-			self.warning.append('Missing signature')
-		return self
+		self.signatures = 0
 
 	def TextSpan(self, span):
 		self.word_count += len(re.split(r'\s+', span.innertext.strip()))
 		return self
 
 	def SignatureParagraph(self, span):
-		self.has_signature = True
+		self.signatures += 1
 		span.recurse(self)
 		return self
 
diff --git a/amanuensis/resources/editor.js b/amanuensis/resources/editor.js
index 83ea028..4862d8a 100644
--- a/amanuensis/resources/editor.js
+++ b/amanuensis/resources/editor.js
@@ -83,7 +83,7 @@ function updatePreview(response) {
 	for (var i = 0; i < response.error.length; i++) {
 		error += "<span class=\"message-error\">" + response.error[i] + "</span><br>";
 	}
-	var control = info + "<br>" + warning + "<br>" + error;
+	var control = info + warning + error;
 	document.getElementById("preview-control").innerHTML = control;
 }
 
diff --git a/amanuensis/server/session/editor.py b/amanuensis/server/session/editor.py
index d32e68f..67514ca 100644
--- a/amanuensis/server/session/editor.py
+++ b/amanuensis/server/session/editor.py
@@ -11,13 +11,14 @@ from flask_login import current_user
 from amanuensis.lexicon import (
 	get_player_characters,
 	get_player_drafts,
-	get_draft)
+	get_draft,
+	title_constraint_analysis,
+	content_constraint_analysis)
 from amanuensis.models import LexiconModel
 from amanuensis.parser import (
 	normalize_title,
 	parse_raw_markdown,
-	PreviewHtmlRenderer,
-	ConstraintAnalysis)
+	PreviewHtmlRenderer)
 
 
 def load_editor(lexicon: LexiconModel, aid: str):
@@ -109,7 +110,10 @@ def update_draft(lexicon: LexiconModel, article_json):
 	# HTML parsing
 	preview = parsed.render(PreviewHtmlRenderer(lexicon))
 	# Constraint analysis
-	analysis = parsed.render(ConstraintAnalysis(lexicon))
+	title_warnings, title_errors = title_constraint_analysis(
+		lexicon, current_user, title)
+	content_infos, content_warnings, content_errors = content_constraint_analysis(
+		lexicon, current_user, article.character, parsed)
 
 	# Article update
 	filename = f'{article.character}.{aid}'
@@ -127,7 +131,7 @@ def update_draft(lexicon: LexiconModel, article_json):
 		},
 		'rendered': preview.contents,
 		'citations': preview.citations,
-		'info': analysis.info,
-		'warning': analysis.warning,
-		'error': analysis.error,
+		'info': content_infos,
+		'warning': title_warnings + content_warnings,
+		'error': title_errors + content_errors,
 	}