diff --git a/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/AutoCompleteManager.coffee b/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/AutoCompleteManager.coffee
index d2341f04f8..32a60370c1 100644
--- a/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/AutoCompleteManager.coffee
+++ b/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/AutoCompleteManager.coffee
@@ -1,9 +1,9 @@
 define [
 	"ide/editor/directives/aceEditor/auto-complete/SuggestionManager"
-	"ide/editor/directives/aceEditor/auto-complete/Snippets"
+	"ide/editor/directives/aceEditor/auto-complete/SnippetManager"
 	"ace/ace"
 	"ace/ext-language_tools"
-], (SuggestionManager, Snippets) ->
+], (SuggestionManager, SnippetManager) ->
 	Range = ace.require("ace/range").Range
 
 	getLastCommandFragment = (lineUpToCursor) ->
@@ -38,9 +38,7 @@ define [
 				enableLiveAutocompletion: false
 			})
 
-			SnippetCompleter =
-				getCompletions: (editor, session, pos, prefix, callback) ->
-					callback null, Snippets
+			SnippetCompleter = new SnippetManager()
 
 			references = @$scope.$root._references
 			ReferencesCompleter =
diff --git a/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/SnippetManager.coffee b/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/SnippetManager.coffee
new file mode 100644
index 0000000000..7b7593565d
--- /dev/null
+++ b/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/SnippetManager.coffee
@@ -0,0 +1,159 @@
+define () ->
+	environments = [
+		"abstract",
+		"align", "align*",
+		"equation", "equation*",
+		"gather", "gather*",
+		"multline", "multline*",
+		"split",
+		"verbatim"
+	]
+
+	staticSnippets = for env in environments
+		{
+			caption: "\\begin{#{env}}..."
+			snippet: """
+				\\begin{#{env}}
+				\t$1
+				\\end{#{env}}
+			"""
+			meta: "env"
+		}
+
+	staticSnippets = staticSnippets.concat [{
+		caption: "\\begin{array}..."
+		snippet: """
+			\\begin{array}{${1:cc}}
+			\t$2 & $3 \\\\\\\\
+			\t$4 & $5
+			\\end{array}
+		"""
+		meta: "env"
+	}, {
+		caption: "\\begin{figure}..."
+		snippet: """
+			\\begin{figure}
+			\t\\centering
+			\t\\includegraphics{$1}
+			\t\\caption{${2:Caption}}
+			\t\\label{${3:fig:my_label}}
+			\\end{figure}
+		"""
+		meta: "env"
+	}, {
+		caption: "\\begin{tabular}..."
+		snippet: """
+			\\begin{tabular}{${1:c|c}}
+			\t$2 & $3 \\\\\\\\
+			\t$4 & $5
+			\\end{tabular}
+		"""
+		meta: "env"
+	}, {
+		caption: "\\begin{table}..."
+		snippet: """
+			\\begin{table}[$1]
+			\t\\centering
+			\t\\begin{tabular}{${2:c|c}}
+			\t\t$3 & $4 \\\\\\\\
+			\t\t$5 & $6
+			\t\\end{tabular}
+			\t\\caption{${7:Caption}}
+			\t\\label{${8:tab:my_label}}
+			\\end{table}
+		"""
+		meta: "env"
+	}, {
+		caption: "\\begin{list}..."
+		snippet: """
+			\\begin{list}
+			\t\\item $1
+			\\end{list}
+		"""
+		meta: "env"
+	}, {
+		caption: "\\begin{enumerate}..."
+		snippet: """
+			\\begin{enumerate}
+			\t\\item $1
+			\\end{enumerate}
+		"""
+		meta: "env"
+	}, {
+		caption: "\\begin{itemize}..."
+		snippet: """
+			\\begin{itemize}
+			\t\\item $1
+			\\end{itemize}
+		"""
+		meta: "env"
+	}, {
+		caption: "\\begin{frame}..."
+		snippet: """
+			\\begin{frame}{${1:Frame Title}}
+			\t$2
+			\\end{frame}
+		"""
+		meta: "env"
+	}]
+
+
+	parseCustomEnvironments = (text) ->
+		re = /^\\newenvironment{(\w+)}.*$/gm
+		result = []
+		iterations = 0
+		while match = re.exec(text)
+			result.push {name: match[1], whitespace: null}
+			iterations += 1
+			if iterations >= 1000
+				return result
+		return result
+
+
+	parseBeginCommands = (text) ->
+		re = /^\\begin{(\w+)}.*\n([\t ]*).*$/gm
+		result = []
+		iterations = 0
+		while match = re.exec(text)
+			result.push {name: match[1], whitespace: match[2]}
+			iterations += 1
+			if iterations >= 1000
+				return result
+		return result
+
+	class SnippetManager
+		getCompletions: (editor, session, pos, prefix, callback) ->
+			docText = session.getValue()
+			customEnvironments = parseCustomEnvironments(docText)
+			beginCommands = parseBeginCommands(docText)
+			parsedItemsMap = {}
+			for environment in customEnvironments
+				parsedItemsMap[environment.name] = environment
+			for command in beginCommands
+				parsedItemsMap[command.name] = command
+			parsedItems = _.values(parsedItemsMap)
+			snippets = staticSnippets.concat(
+				parsedItems.map (item) ->
+					{
+						caption: "\\begin{#{item.name}}..."
+						snippet: """
+							\\begin{#{item.name}}
+							#{item.whitespace || ''}$0
+							\\end{#{item.name}}
+						"""
+						meta: "env"
+					}
+			).concat(
+				# arguably these `end` commands shouldn't be here, as they're not snippets
+				# but this is where we have access to the `begin` environment names
+				# *shrug*
+				parsedItems.map (item) ->
+					{
+						caption: "\\end{#{item.name}}"
+						value: "\\end{#{item.name}}"
+						meta: "env"
+					}
+			)
+			callback null, snippets
+
+	return SnippetManager
diff --git a/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/Snippets.coffee b/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/Snippets.coffee
deleted file mode 100644
index 4bc3d16ef4..0000000000
--- a/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/Snippets.coffee
+++ /dev/null
@@ -1,100 +0,0 @@
-define () ->
-	environments = [
-		"abstract", 
-		"align", "align*",
-		"equation", "equation*",
-		"gather", "gather*",
-		"multline", "multline*",
-		"split",
-		"verbatim"
-	]
-
-	snippets = for env in environments
-		{
-			caption: "\\begin{#{env}}..."
-			snippet: """
-				\\begin{#{env}}
-				\t$1
-				\\end{#{env}}
-			"""
-			meta: "env"
-		}
-
-	snippets = snippets.concat [{
-		caption: "\\begin{array}..."
-		snippet: """
-			\\begin{array}{${1:cc}}
-			\t$2 & $3 \\\\\\\\
-			\t$4 & $5
-			\\end{array}
-		"""
-		meta: "env"
-	}, {
-		caption: "\\begin{figure}..."
-		snippet: """
-			\\begin{figure}
-			\t\\centering
-			\t\\includegraphics{$1}
-			\t\\caption{${2:Caption}}
-			\t\\label{${3:fig:my_label}}
-			\\end{figure}
-		"""
-		meta: "env"
-	}, {
-		caption: "\\begin{tabular}..."
-		snippet: """
-			\\begin{tabular}{${1:c|c}}
-			\t$2 & $3 \\\\\\\\
-			\t$4 & $5
-			\\end{tabular}
-		"""
-		meta: "env"
-	}, {
-		caption: "\\begin{table}..."
-		snippet: """
-			\\begin{table}[$1]
-			\t\\centering
-			\t\\begin{tabular}{${2:c|c}}
-			\t\t$3 & $4 \\\\\\\\
-			\t\t$5 & $6
-			\t\\end{tabular}
-			\t\\caption{${7:Caption}}
-			\t\\label{${8:tab:my_label}}
-			\\end{table}
-		"""
-		meta: "env"
-	}, {
-		caption: "\\begin{list}..."
-		snippet: """
-			\\begin{list}
-			\t\\item $1
-			\\end{list}
-		"""
-		meta: "env"
-	}, {
-		caption: "\\begin{enumerate}..."
-		snippet: """
-			\\begin{enumerate}
-			\t\\item $1
-			\\end{enumerate}
-		"""
-		meta: "env"
-	}, {
-		caption: "\\begin{itemize}..."
-		snippet: """
-			\\begin{itemize}
-			\t\\item $1
-			\\end{itemize}
-		"""
-		meta: "env"
-	}, {
-		caption: "\\begin{frame}..."
-		snippet: """
-			\\begin{frame}{${1:Frame Title}}
-			\t$2
-			\\end{frame}
-		"""
-		meta: "env"
-	}]
-
-	return snippets
\ No newline at end of file
diff --git a/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/SuggestionManager.coffee b/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/SuggestionManager.coffee
index 559a2c5981..e0c3710358 100644
--- a/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/SuggestionManager.coffee
+++ b/services/web/public/coffee/ide/editor/directives/aceEditor/auto-complete/SuggestionManager.coffee
@@ -28,7 +28,7 @@ define [], () ->
 
 		# Ignore single letter commands since auto complete is moot then.
 		commandRegex: /\\([a-zA-Z][a-zA-Z]+)/
-		
+
 		nextCommand: () ->
 			i = @doc.search(@commandRegex)
 			if i == -1
@@ -123,4 +123,3 @@ define [], () ->
 					completionBeforeCursor: completionBeforeCursor
 					completionAfterCursor: completionAfterCursor
 				}
-